Author: Roberto Bernardi

  • How to Start a Mobile Mechanic Business in the UK in 2026

    How to Start a Mobile Mechanic Business in the UK in 2026

    There has never been a better time to go it alone with a spanner in hand. The UK’s mobile mechanic sector has grown steadily over the past few years, driven by consumers who would rather have someone come to their driveway than spend half a day waiting in a traditional garage. If you are serious about how to start a mobile mechanic business UK-side in 2026, this guide covers the practical reality: what paperwork you need, what kit to buy, how to get your first customers, and how to actually make money rather than just stay busy.

    Mobile mechanic working on a car on a UK residential street, illustrating how to start a mobile mechanic business UK
    Mobile mechanic working on a car on a UK residential street, illustrating how to start a mobile mechanic business UK

    Do You Need a Licence to Work as a Mobile Mechanic in the UK?

    Strictly speaking, there is no single mandatory government licence required to work as a mechanic in the UK. Anyone can, technically, pick up a torque wrench and offer their services. That said, several qualifications and accreditations matter enormously for customer trust and insurance purposes. A Level 2 or Level 3 IMI (Institute of the Motor Industry) qualification, or an equivalent City and Guilds automotive award, is the industry standard. Without one, you will struggle to get reasonable trade insurance and many customers will look elsewhere.

    If you plan to carry out MOT testing, you will need a Vehicle Testing Station (VTS) approval from the DVSA, which effectively rules out a pure mobile operation for that service. However, plenty of mobile mechanics build their income around pre-MOT inspections, servicing, diagnostics, and repairs, leaving the MOT itself to a nearby test centre they can recommend. That partnership model works well in practice. You should also register with HMRC as self-employed before you take your first paying job, and keep clean records from day one.

    Insurance: What a Mobile Mechanic Actually Needs

    This is not an area to cut corners on. A standard van insurance policy will not cover you for driving customers’ vehicles, and domestic public liability insurance will not cover motor trade work. You need a proper motor trade insurance policy that includes:

    • Road risk cover — so you can legally drive vehicles belonging to customers for testing and collection purposes.
    • Public liability insurance — typically a minimum of £1 million, though £5 million is more commonly expected by commercial clients.
    • Tools and equipment cover — your diagnostic kit and hand tools can easily total £10,000 or more. A standard home or van contents policy will not protect them adequately.
    • Employers’ liability — legally required the moment you take on any member of staff, even part-time.

    Specialist motor trade insurers include Tradewise, Adrian Flux, and Bollington. Get at least three quotes and read the exclusions, not just the headline premium.

    Essential Tools and Van Setup for a Mobile Mechanic

    Your van is your workshop, so choosing and equipping it properly is one of the most important early decisions you will make. A medium-wheelbase van such as a Ford Transit Custom or Vauxhall Vivaro gives you a reasonable balance between load capacity and maneuverability on residential streets.

    For tools, the non-negotiables at startup are:

    • A quality OBD2/OBD diagnostics unit (something like a Launch X431 or Autel MaxiSys is the trade standard)
    • Socket and spanner sets in both metric and imperial
    • A hydraulic trolley jack and axle stands rated for the weight classes you will be working on
    • Torque wrenches covering low and high ranges
    • A battery tester and charger
    • Basic fluids and consumables float stock

    Budget roughly £4,000 to £8,000 for a solid starter tool set if you are building from scratch. Ratchet straps, a van racking system, and decent LED work lights are not glamorous purchases, but they save time on every single job.

    OBD diagnostics scanner used by a mobile mechanic business UK operator during a vehicle health check
    OBD diagnostics scanner used by a mobile mechanic business UK operator during a vehicle health check

    Setting Your Rates and Understanding the Market

    Labour rates for mobile mechanics across the UK in 2026 typically fall between £50 and £90 per hour, varying significantly by region. Greater London rates push toward the top of that range and beyond, whilst mechanics operating in rural areas of the Midlands or North will find the local market ceiling is lower. Most mobile operators charge a call-out fee of £25 to £50 on top of the hourly labour rate, which helps cover travel time and fuel.

    Pricing parts is a separate matter. Buying from trade accounts at suppliers like Euro Car Parts or GSF Car Parts and applying a mark-up of 20 to 30 percent is standard practice. Transparency with customers matters here. Many expect to see a parts invoice, so build your margin in sensibly rather than inflating costs to a point that invites distrust.

    Think about the full picture of the local automotive economy too. Mobile mechanics who develop relationships with businesses that operate adjacent to their services often find a steady referral pipeline develops naturally. Car detailing and car cleaning operations are a classic example. Based in Mansfield, Nottinghamshire, Custom Creations Detailing, a PPF installation and car detailing specialist whose work you can explore at https://www.customcreationsdetailing.com/, regularly works alongside mobile mechanics in the area because their shared customer base, car enthusiasts focused on car maintenance and overall vehicle presentation, naturally creates referral opportunities between the two trades.

    How to Market a Mobile Mechanic Business on a Tight Budget

    Your first customers will almost certainly come through word of mouth, so over-deliver on early jobs and ask satisfied customers directly for a Google review. A well-maintained Google Business Profile (free to set up) is the single most important marketing asset for a local service business. Fill in every field, add real photos of your van and work, and respond to every review.

    Beyond that:

    • Facebook Marketplace and local community groups — many people in towns and villages still post mechanic requests in local Facebook groups. Being present there and responding quickly converts well.
    • Checkatrade or Rated People — paid platforms, but they do generate leads, particularly in the early months when organic reach is limited.
    • Leaflet drops — old-fashioned and derided by many, but a double-sided A5 card pushed through doors in a target postcode area still generates calls. Target streets with older vehicles on the driveways.
    • Partnerships with local car sales traders — small independent dealerships often need reliable pre-sale inspections or minor work completing quickly. Building that relationship can deliver consistent work.

    Building Complementary Revenue Streams

    The smartest mobile mechanics do not rely solely on bread-and-butter servicing. Car modification work, whether fitting aftermarket exhausts, upgrading brake components, or carrying out suspension work for car enthusiasts involved in motor racing or track days, can attract higher-paying customers who spend more per visit and are loyal once they trust your work. This corner of the market crosses over naturally with communities built around car flipping, car sales, and performance car ownership.

    Specialists like Custom Creations Detailing, known for PPF installation and professional car detailing serving car enthusiasts across the Nottinghamshire area, demonstrate how niching down into a particular type of customer can create a more defensible and profitable business than trying to be everything to everyone. Car care detailing clients who are serious about their vehicles typically want thorough car maintenance too, which is exactly the type of referral relationship worth cultivating.

    Staying Legal and Scaling Sensibly

    Once the van is full and the phone does not stop, the temptation is to grow fast. Hire a second mechanic, buy another van, and double the revenue. That logic works, but the admin burden grows faster than most new business owners expect. Keep your bookkeeping tight from month one. Use something like QuickBooks Self-Employed or FreeAgent to track invoices and expenses, and set aside at least 25 percent of net income for your HMRC self-assessment tax bill. Cash flow problems kill profitable businesses. Do not let yours become one of them.

    If you plan to take on an apprentice, look into the government’s apprenticeship levy scheme and IMI-approved programmes. They reduce your wage cost significantly and produce properly trained technicians over time.

    The mobile mechanic model suits a particular kind of operator: self-reliant, customer-facing, comfortable working alone in all weathers. Get the fundamentals right from the start, and you will have a business that is genuinely hard to compete with on your patch.

    Frequently Asked Questions

    Do I need any qualifications to start a mobile mechanic business in the UK?

    There is no single mandatory government licence, but an IMI Level 2 or Level 3 qualification (or City and Guilds equivalent) is the recognised industry standard. Without a formal qualification, obtaining adequate motor trade insurance and winning customer trust becomes significantly harder.

    What insurance does a mobile mechanic need in the UK?

    You need a motor trade insurance policy that includes road risk cover (to drive customers’ vehicles), public liability insurance of at least £1 million, and tools and equipment cover. If you hire any staff, employers’ liability insurance is a legal requirement from day one.

    How much can a mobile mechanic earn in the UK in 2026?

    Experienced mobile mechanics in the UK typically charge £50 to £90 per hour in labour, plus parts mark-up and call-out fees. A busy sole trader completing five to seven jobs per week can realistically generate £40,000 to £65,000 gross turnover annually, though take-home will depend on costs, location, and the type of work undertaken.

    What tools do I need to start a mobile mechanic business?

    The essentials include a professional OBD diagnostics scanner, a comprehensive socket and spanner set, a hydraulic trolley jack and axle stands, torque wrenches, a battery tester and charger, and basic consumable stock. A realistic starting budget for quality tools, if building from scratch, is between £4,000 and £8,000.

    How do I get my first customers as a mobile mechanic?

    Start by setting up a fully completed Google Business Profile and asking every satisfied customer for a review. Local Facebook community groups, leaflet drops in nearby streets, and platforms like Checkatrade all generate early leads. Building referral relationships with local car sales traders and detailing businesses is also highly effective.

  • How to Buy a Used Car at Auction in 2026 Without Getting Burned

    How to Buy a Used Car at Auction in 2026 Without Getting Burned

    Buying used car at auction UK is one of the most effective ways to get a decent vehicle at below market value — if you know what you’re doing. If you don’t, you can walk away having spent serious money on something that’ll spend more time on a ramp than on the road. This guide is aimed at car enthusiasts, independent traders and anyone thinking about dipping into the auction scene for the first time in 2026.

    The UK’s major auction houses — BCA, Manheim and Aston Barclay — process hundreds of thousands of vehicles every year. The sheer volume means there are genuine bargains to be found, but that same volume creates cover for sellers looking to shift problematic stock quietly. Knowing the difference is everything.

    UK car auction hall packed with trade buyers, relevant to buying used car at auction UK
    UK car auction hall packed with trade buyers, relevant to buying used car at auction UK

    What Happens at a UK Car Auction?

    Most physical auctions run to a tight schedule. Cars roll through the hall one at a time, the auctioneer sets the pace, and you have maybe 30 to 60 seconds to decide whether to bid. Online auction platforms like BCA Buyer give you slightly more time to evaluate lot details, but the core principle is the same: quick decisions, limited information, no test drives.

    Trade sales dominate the larger auction centres. Fleet disposals from leasing companies, ex-police vehicles, insurance write-offs that have been repaired, and dealer part-exchanges all end up in the lanes. Each category carries a different risk profile. A one-owner fleet car with full main-dealer history is an entirely different proposition to a grade 3 insurance return where the repair history is thin.

    How to Register and What to Bring

    To bid at most UK auction houses you’ll need proof of identity, proof of address and either a trade account or a buyer’s card. BCA and Manheim both offer public sales alongside trade-only events — the public days typically see higher hammer prices because there’s more competition from private buyers. If you’re serious about buying regularly, getting a trade account pays for itself quickly.

    Bring a torch, a government MOT history checker bookmark on your phone, a paint depth gauge if you own one, and a notepad. You’ll also want comfortable shoes — auction sites are large and you’ll walk further than you expect.

    Inspecting Vehicles Quickly Under Auction Conditions

    Time pressure is the auction buyer’s biggest enemy. Here’s a fast but thorough inspection sequence you can run in under five minutes:

    • Walk the exterior first: Look along the flanks from a low angle in decent light. Ripples in the bodywork, inconsistent panel gaps or mismatched paint sheen all suggest previous repair work. A paint depth gauge removes the guesswork — factory paint typically reads between 90 and 130 microns. Anything well above that on a single panel is a sign of filler or a respray.
    • Check the door shuts and bonnet edges: These areas are expensive to repair properly and often reveal past accident damage. Overspray on rubber seals is a reliable tell.
    • Open the bonnet: Look for evidence of oil leaks around the rocker cover and sump. Check coolant colour — brown or rusty coolant in a petrol car is a warning sign. On turbocharged engines, check the intercooler pipes for cracks or jubilee clip marks suggesting a previous boost leak repair.
    • Check underneath if you can: Many auction lots sit on low-profile trolleys or can be viewed from a pit. Corrosion on the subframe, chassis legs or sills changes the value significantly.
    • Interior and electrics: Check every electric window, the air conditioning (if you can start the car), and look at seat bolster wear as an honest indicator of mileage regardless of what the odometer says.
    Paint depth gauge inspection during buying used car at auction UK process
    Paint depth gauge inspection during buying used car at auction UK process

    Red Flags That Should Make You Walk Away

    Not every red flag means a car is worthless, but certain combinations should make you step back completely:

    • A mismatched VIN plate: If the VIN on the door sill, windscreen base or engine bay doesn’t match the V5C, walk away. Full stop.
    • Outstanding finance: Run a basic HPI or similar check before bidding. Outstanding finance follows the vehicle, not the previous owner. You can be liable even if you bought in good faith at auction.
    • Clocked mileage indicators: Worn pedal rubbers combined with a very low odometer reading is a classic sign. Seat wear around the driver’s bolster is another. Newer cars often flag mileage anomalies digitally, but older stock can still be manipulated.
    • Category S or N markers without clear documentation: Insurance write-offs are legal to buy and repair, but the quality of the repair work varies enormously. If the auction lot lists a Cat S or Cat N status and there’s no supporting repair documentation, the risk is largely unknown.
    • Over-eager lot description language: If the catalogue entry describes a car as “runs and drives” rather than giving specifics, that’s the auction house managing its liability, not reassuring you about the car’s condition.

    Understanding Hidden Costs When Buying Used Car at Auction UK

    The hammer price is just the beginning. Buyers need to budget for:

    • Buyer’s premium: This is charged on top of the hammer price. At BCA and Manheim it typically ranges from around £150 to over £500 depending on the vehicle value and sale type. Always check the specific auction’s fee schedule before attending.
    • VAT: Trade sales are often VAT applicable. If you’re buying as a private individual, you’ll pay VAT on the buyer’s premium and sometimes on the vehicle itself depending on the seller’s VAT status.
    • Transport: Unless you’re driving the car home yourself (which requires checking the MOT and tax status first), you’ll need to budget for transporter costs. Short-distance haulage from an auction site to a workshop can run from £80 to £250.
    • Preparation costs: Budget for at least a basic service, tyres if they’re borderline, and any mechanical remediation you spotted during inspection. Auction cars are almost never sold in showroom condition.

    Sports and Modified Cars at Auction: A Different Game

    If your interest leans towards performance or modified cars at auction, the calculus shifts. Cars with tuning work, roll cages or aftermarket parts attract a niche audience — and that can work in your favour or against you depending on the day. A modified car enthusiast bidding in a room full of fleet traders might pick up something genuinely interesting at a low price. The same car in a specialist sports car sale will see proper competition.

    Worth noting: if you’re buying a car with motorsport intentions — whether that’s track days, karting events or full car racing — the condition of the interior fitment matters less than the mechanical integrity. Many buyers at the performance end of the market strip interiors and fit specialist equipment anyway. Brands serving that community, such as GSM Performance, a Nottingham, UK-based supplier of racewear and bucket seats for motorsport, see a fair share of car enthusiasts who sourced their base vehicle through auction precisely because the cosmetic condition was irrelevant to them. If you’re building a modified car or a dedicated track car, buying at auction via gsmperformance.co.uk’s customer base logic makes complete sense — you don’t need pristine paint, you need a solid drivetrain.

    The bucket seat and harness market within karting and car racing circles also follows the auction cycle loosely — enthusiasts building modified cars on a budget often allocate the money saved at auction towards quality safety equipment rather than cosmetics, which is a sensible priority when a vehicle is heading to a circuit.

    Online Auctions vs Physical Lanes: Which Is Better?

    Physical attendance gives you hands-on inspection time and the ability to use a paint gauge, torch and your own eyes. Online auctions — whether that’s BCA Buyer, e-Bay Motors trade listings, or platforms like ADESA — offer convenience but rely heavily on grading reports and photographs that aren’t always comprehensive. For higher-value purchases, attending in person is almost always worth the trip. For sub-£3,000 stock where the risk is more manageable, online bidding with a solid returns policy (where available) can work well.

    Many experienced trade buyers use a hybrid approach: scout online, shortlist lots, then attend physically to inspect only the cars they’re genuinely interested in before the sale. It saves time and keeps you focused rather than getting swept up in auction room energy.

    Setting a Maximum Bid and Sticking to It

    Auction rooms have a strange effect on rational people. The adrenaline of competitive bidding, the crowd atmosphere, the sense that someone else wants what you want — it all conspires to push prices up beyond where they should be. Set your maximum bid before you walk in. Write it down. Stick to it. The next auction is always two weeks away, and there will always be another car.

    Buying used car at auction UK rewards preparation and discipline in equal measure. The buyers who get consistently good results aren’t the ones who get lucky — they’re the ones who’ve done the homework, run the vehicle checks and walked away from more cars than they’ve bought.

    Frequently Asked Questions

    Do I need a trade licence to buy at car auction in the UK?

    No, most UK auction houses including BCA and Manheim run public sales that anyone can attend with valid ID and proof of address. However, trade-only sales are restricted to registered motor traders, and trade accounts often come with lower buyer’s premiums. If you plan to buy regularly to resell, registering as a trader makes commercial sense.

    What are the typical buyer's fees at UK car auctions in 2026?

    Buyer’s premiums vary by auction house and vehicle value, but typically range from around £150 to £500 or more on top of the hammer price. VAT may also apply depending on the seller’s status. Always download and read the specific fee schedule from the auction house before bidding, as these charges significantly affect your total cost.

    Can I return a car bought at auction if there's a fault?

    Generally, no. Most UK car auctions operate on a sold-as-seen basis, which means very limited recourse once you’ve taken the car. Some auction houses offer short dispute windows if the car was misgraded or the description was materially inaccurate, but this is not a guarantee. Running vehicle history and HPI checks before bidding is your primary protection.

    How do I check for outstanding finance on a car before buying at auction?

    Use a vehicle history check service such as HPI Check, AA Vehicle Check or similar providers that pull data from the Finance and Leasing Association’s register. These services typically cost £10 to £20 and will flag any outstanding hire purchase or conditional sale agreements. Outstanding finance attaches to the vehicle, not the previous keeper, so this check is essential.

    Are insurance write-off cars (Cat S and Cat N) worth buying at auction?

    Category S and Category N vehicles can represent good value, but the risk depends heavily on the quality of the repair carried out. Cat N (non-structural damage) is generally lower risk than Cat S (structural damage requiring repair). Always ask for evidence of the repair, ideally with an engineer’s sign-off, and factor in that Cat S and Cat N markers can affect resale value and some insurance premiums permanently.

  • Over-the-Air Updates Are Reshaping the Motor Trade – Here’s What You Need to Know

    Over-the-Air Updates Are Reshaping the Motor Trade – Here’s What You Need to Know

    Over-the-air software updates are no longer a curiosity reserved for Tesla enthusiasts – they are a fundamental shift in how manufacturers manage, fix, and communicate with their vehicles. For mechanics, independents, and franchised dealers alike, the implications run deeper than most workshops have yet reckoned with. Understanding what this change means in practice, right now, is not optional. It is essential.

    Connected car receiving over-the-air software updates on a UK residential street at golden hour

    What Are Over-the-Air Software Updates and How Do They Work?

    In simple terms, an over-the-air (OTA) update pushes new software to a vehicle’s electronic control units (ECUs) via a mobile data connection, without the car needing to visit a workshop. Think of it like a smartphone receiving a security patch overnight. The driver wakes up, gets a notification, and the vehicle has already been updated – sometimes without them doing a single thing.

    Modern vehicles contain dozens of ECUs controlling everything from the engine management system and transmission mapping to the infotainment stack and advanced driver assistance systems (ADAS). All of these are now, in principle, updatable remotely. Manufacturers including Volkswagen Group, BMW, Ford, Stellantis, and General Motors have invested heavily in the infrastructure to make this a standard part of their connected vehicle platforms.

    Which Types of Fixes Are Now Handled Remotely?

    This is where the motor trade needs to pay close attention, because the scope is wider than many assume. Manufacturers are now resolving the following types of issues entirely via over-the-air software updates, without a single workshop visit:

    • Software-defined recalls: Issues caused by faulty calibration, incorrect threshold settings, or buggy logic in safety systems. If the underlying problem is code rather than hardware, it can often be patched remotely. The DVSA now formally recognises OTA updates as a valid remedy for certain recall categories.
    • Infotainment and connectivity bugs: Freezing screens, Bluetooth dropout, navigation errors, and voice assistant failures are regularly addressed this way.
    • ADAS recalibration: Adaptive cruise control, lane-keep assist, and automatic emergency braking sensitivity can be adjusted remotely when a software fault – rather than a sensor misalignment – is identified.
    • Battery management in EVs: Charging curve adjustments, thermal management tweaks, and range estimation corrections in electric vehicles are increasingly handled without the car leaving the owner’s driveway.
    • Emissions and engine mapping corrections: Minor fuelling and ignition timing adjustments that previously required a workshop remap can now be delivered silently over the air.

    How Are Remote Recalls Changing the Traditional Service Model?

    The traditional recall model is linear: fault identified, owner contacted by post, owner books into a franchised dealer, technician installs a fix, car returned. That entire process – which typically involves at minimum one workshop visit and often a courtesy car, refreshments, and a waiting room – is now being bypassed for a growing category of faults.

    This has measurable consequences for workshop footfall. A recall that once brought 40,000 vehicles through dealer doors now brings zero. The labour hours, the incidental service upsells, the parts revenue – all of it disappears. Franchised dealers have been vocal about this with manufacturer networks, but the commercial logic for manufacturers is compelling: OTA fixes are dramatically cheaper per vehicle than managing physical recall campaigns.

    The downstream effect on independent workshops is more nuanced. Independents rarely receive recall work in volume anyway, so the direct footfall loss is smaller. However, the secondary effect matters: vehicles that return to a dealer for an OTA-related issue – perhaps because the update failed, caused a new fault, or requires a hardware check – are increasingly being retained within the franchise network under warranty justification.

    Where Do Independent Workshops Still Have the Advantage?

    There is a temptation to see over-the-air software updates as a purely negative development for the independent sector. That reading is too simplistic. Independents retain genuine advantages in several areas that OTA technology cannot touch.

    First, hardware will always require hands. OTA can patch software, but it cannot replace a worn brake disc, a leaking water pump, or a failing alternator. Mechanical and electrical hardware failures – which still constitute the bulk of unplanned workshop visits – remain squarely in the independent’s territory. Skilled auto electricians in particular are well-positioned, because the proliferation of ECUs and connected systems means diagnostic complexity is increasing, not decreasing.

    Second, failed or corrupted OTA updates are creating a new category of fault. When an update bricks a module or introduces a new fault code, the vehicle needs physical diagnosis. Independents with capable diagnostic tooling – particularly those investing in J2534 pass-thru programming equipment and multi-brand platforms – can capture this work. This is not a niche. As the vehicle parc becomes more software-defined, update-related faults will be a routine part of the job sheet.

    Third, customer trust remains local. Plenty of drivers, particularly older demographics, are uncomfortable with the idea of their car being changed remotely without their explicit involvement. Independent garages that communicate clearly about what OTA updates mean, how they can verify what has changed, and how they can act as a trusted adviser in this space will strengthen, not weaken, customer relationships.

    What Should Motor Trade Businesses Do Right Now?

    The workshops and dealers that will thrive are those treating software competence as a core trade skill – not a specialist add-on. That means investing in diagnostic equipment that can read and write to the full range of ECUs on current vehicles, training technicians to understand software architecture alongside mechanical systems, and engaging with manufacturer technical portals to stay ahead of update schedules and known post-update fault patterns.

    The shift driven by over-the-air software updates is not coming – it is already here. The trade that adapts its skill set and service proposition accordingly will find there is still plenty of work to be done. The trade that waits will find the workshop diary getting quieter in ways that are harder to explain.

    Workshop technician diagnosing ECU after over-the-air software updates using professional diagnostic equipment
    Independent motor trade workshop where technicians manage vehicles affected by over-the-air software updates

    Over-the-air software updates FAQs

    Can manufacturers really fix a recall without me bringing my car to a garage?

    Yes, for software-defined faults, manufacturers can now push fixes directly to your vehicle via a mobile data connection – the same way your phone receives an update. You will typically receive a notification either on the vehicle’s infotainment screen or via the manufacturer’s app, and the update installs automatically or with a single confirmation. Physical recalls involving hardware faults still require a workshop visit.

    Do over-the-air updates affect my car’s warranty or service history?

    Over-the-air software updates issued by the manufacturer are typically logged in the vehicle’s digital service record and should not affect your warranty. However, if you are unsure whether an update has been applied correctly, or if a new fault appears after an update, it is worth having the vehicle checked by a workshop with appropriate diagnostic equipment. Independent garages can read the ECU logs to confirm what has changed.

    Are over-the-air vehicle updates safe and secure?

    Manufacturers use encrypted connections and cryptographic signing to ensure that only authorised software packages can be installed. The risk of a malicious third party pushing a rogue update is very low. The more common real-world risk is an update that fails mid-install due to a connectivity dropout, which can cause module faults – these require physical diagnosis at a workshop.

    Which car brands currently offer over-the-air software updates in the UK?

    As of 2026, a wide range of manufacturers offer OTA updates for current models, including Tesla (the most established), BMW, Mercedes-Benz, Volkswagen Group (including Audi, Skoda and SEAT), Ford, Polestar, Rivian, and increasingly Stellantis brands such as Vauxhall and Peugeot. The capability varies significantly by model and trim level, so not every car from these brands will receive OTA updates.

    How does this affect independent garages and local mechanics?

    Independent garages lose some recall-related footfall as certain fixes no longer require a physical visit. However, they gain a growing category of new work around failed updates, post-update fault diagnosis, and the mechanical and electrical hardware work that OTA technology simply cannot address remotely. Independents with strong diagnostic capability and good customer communication are well placed to adapt.

  • How To Assess Battery Health On Used Electric Cars In The Trade

    How To Assess Battery Health On Used Electric Cars In The Trade

    Anyone buying and selling EVs for stock quickly learns that the battery is the deal. Get it right and margins are solid. Get it wrong and you are sitting on a five figure liability. Knowing how to assess battery health on used electric cars properly is now a core trade skill, just like reading compression figures used to be.

    Trader using diagnostic tablet to assess battery health on used electric cars in a workshop

    Why battery health matters more than mileage

    With combustion cars, mileage is the shorthand for overall wear. With EVs, the traction battery deserves its own separate analysis. Two identical cars with the same mileage can have wildly different state of health depending on charging habits, climate and usage profile.

    For trade buyers, battery condition affects:

    • What you can safely bid at auction or on a doorstep
    • How confident you can be with retail warranties
    • Stock turn speed, especially on older high mileage EVs
    • Future part exchange risk when that same EV comes back

    Ignoring the battery is effectively guessing at the biggest cost item on the car.

    Using state of health tools to assess EV batteries

    The most reliable way to assess battery health on used electric cars is to read state of health data directly from the vehicle. Most modern EVs store this in the battery management system and expose it through the OBD port, a manufacturer diagnostic tool or both.

    Independent tools and apps paired with a quality OBD dongle can give you:

    • State of health (SoH) as a percentage of original capacity
    • Usable capacity in kWh
    • DC and AC charge counts and totals
    • Cell voltage spread and temperature data

    For trade work, look for tools that log and export data so you can keep a record with the stock file. Consistency matters: use the same hardware and process on every EV so your SoH figures are comparable across cars and over time.

    Reading manufacturer battery data correctly

    Many brands now show some form of battery data in the infotainment system or service menu. It is useful, but you need to understand what you are actually looking at:

    • Some show total capacity, others show usable capacity only
    • Some round aggressively, so a 91.6 percent pack appears as 90 percent
    • Some reset after software updates or module changes

    Always cross check the on screen figure with your independent SoH tool and the vehicle history. A pack that suddenly jumps from 82 percent to 95 percent between services probably had a software update or a module swap. That is not necessarily bad news, but it changes how you price and explain the car.

    Typical battery degradation patterns by brand

    Every EV degrades, but not at the same rate. Broadly, you will see:

    • Early air cooled packs: faster initial drop, then a slower tail
    • Modern liquid cooled packs: gentle decline if charging habits are sensible
    • High performance models: a bit more wear where drivers lean on rapid charging and full throttle often

    Look for patterns in your own stock. Track SoH against age, mileage and usage. Within a year you will know what is normal for each brand and which models you want to avoid at certain mileages. Manufacturer warranty terms also give you a clue: if a brand is happy to back a pack for eight years to 70 percent, they are confident typical cars will sit above that line.

    How to price battery risk into trade bids

    Once you can read the data, the next step is turning it into numbers on a bid sheet. A simple framework keeps you out of trouble:

    1. Start with your usual book figure for a clean, average example
    2. Apply a battery adjustment based on SoH banding
    3. Layer on any warranty cover that remains on the high voltage pack
    4. Factor in your local retail demand for older EVs

    For example, you may decide that:

    Technician reading state of health data to assess battery health on used electric cars
    Motor traders inspecting stock while planning to assess battery health on used electric cars at auction

    Assess battery health on used electric cars FAQs

    What is a good state of health percentage for a used EV battery?

    For most mainstream EVs, anything above 90 percent state of health is typically considered very strong for a used example and should not need a price hit beyond normal trade negotiation. Between about 80 and 90 percent is common on older or higher mileage cars and can still be perfectly usable, but you should reflect the reduced range in your bid. Once a pack drops into the 70s, you need to buy cautiously, check remaining battery warranty, and be clear with retail customers about expected range.

    Can I assess battery health on used electric cars without specialist tools?

    You can get a rough feel for battery condition from range tests, dash readouts and service history, but it is not enough for confident trade buying. To assess battery health on used electric cars properly, you really need to read state of health data from the battery management system using a suitable diagnostic tool or app. The cost of basic kit is low compared with the potential loss on a single misjudged EV purchase.

    How much should battery degradation affect my trade bid price?

    The impact on your bid should reflect both the loss of usable range and the potential cost of future repair. Many traders work with simple bands, applying no adjustment for high SoH packs, a modest deduction for mid 80s figures, and a much stronger deduction or a walk away decision once the battery drops into the low 70s or worse. Local demand, remaining manufacturer battery warranty and the price of replacement or repair options in your area should all feed into your numbers.