Buying a Used Car Privately vs From a Dealer
From a trader the Consumer Rights Act 2015 gives you 30 days to reject a faulty car. From a private seller, misdescription is your only route.
Three checks matter on a used electric car that do not exist on a petrol one: the battery's state of health, how much of the battery warranty is left, and whether the battery came with the car or is leased separately. Everything after that is the same job as buying any used car, because an EV carries exactly the same finance, write-off, theft and mileage risks as a diesel estate.
State of health, usually shortened to SoH, is the battery's usable capacity now compared with when it left the factory. Some loss is normal and expected. Batteries tend to shed a little in the first year or two and then settle into a slow decline, so a five year old car with a healthy figure can be a better buy than a two year old one that has been rapid charged twice a day.
Where you find the number depends on the car. A Nissan Leaf shows capacity bars beside the charge gauge, and a missing bar is visible from the driver's seat. Several makes bury a figure in a service or engineering menu. On others you infer it from the estimated range at a known state of charge. Independent testers can produce a certificate through the OBD port, and franchised dealers for most EV brands will run a battery health check, sometimes as part of a used car inspection.
On the viewing itself, note the state of charge and the range estimate together, scale that up to a full battery, and compare it with the figure the car was quoted at when new. Expect a real world number comfortably below the official one, especially in winter.
Manufacturers warrant the traction battery separately from the rest of the car, commonly for around eight years with a mileage cap, and that cover normally transfers to the next owner. Three things to pin down before you buy:
Early Renault Zoes, up to around 2019, were commonly sold with the battery on a separate lease, and Nissan offered a similar arrangement on some Leafs. You buy the car, and the manufacturer's finance arm keeps the battery and charges you a monthly fee for it.
That is not automatically a bad thing. The lease caps your risk, because the provider replaces the battery if capacity falls below the agreed level. But it changes what you are actually buying:
A separate battery agreement does not always register against the vehicle the way hire purchase does, so ask for the paperwork as well as running a check. What a finance check will show you is HP, PCP and conditional sale recorded against the car itself, which matters just as much on an EV as on anything else.
Enter the registration and get the key facts before you commit to the car.
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This half is where most of the money gets lost, and it is identical for an EV. Same DVLA record, same MOT record, same finance and insurance databases.
EVs have been sold overwhelmingly on PCP, so a large share of used examples have been through a finance agreement at some point. Most are settled properly. The ones that are not stay attached to the car, and the finance company can recover the vehicle from a buyer who did nothing wrong.
Write-off markers deserve extra attention on an electric car. Repair costs are high and a knock anywhere near the battery pack can total a car that looks superficially fine, so an EV can be written off after damage that would be a straightforward bodyshop job on a petrol hatchback. Cat S means structural damage was recorded, Cat N means non structural. Run a write-off check and read the marker properly rather than dismissing it.
Electric cars take an MOT at three years old like everything else, so the mileage trail exists in full. There is no emissions test, but the brakes, suspension, steering, lights, tyres and structure are all inspected. Two EV specific things to look for in the advisories: corroded discs, because regenerative braking means the friction brakes get used lightly, and tyre wear, because these cars are heavy and go through rubber. You can read the history free on GOV.UK, or see it with the readings laid out in our MOT check.
Low mileage is not the trump card it is on a petrol car. Batteries age with time and temperature as well as use, so a barely driven example that spent five years plugged in at 100 per cent is not obviously better than an average mileage one.
Imported EVs are common, particularly Japanese market Leafs. An import can be a sound buy, but the warranty position is different, UK service history may not exist, the connector and equipment can differ from the home market car, and the resale audience is smaller. The import marker appears on the DVLA record, and an import check tells you now rather than at resale time.
Electric cars pay vehicle tax. The zero rate ended on 1 April 2025 and EVs moved into the standard system, with the additional rate for cars above the list price threshold now applying to newer ones as well. Budget for it instead of assuming the car is free to tax, and check the current rate and status on GOV.UK. Our guide to car tax bands explains how the system fits together.
Carpeep does not report battery state of health. No registration lookup can, because that figure lives in the car's own battery management system and shifts with every charge. Get it from the car, from a dealer battery check, or from an independent test.
What a car history check gives you for £15 is the paperwork half of the job: outstanding finance, write-off markers, police stolen markers, the mileage recorded at every MOT with discrepancies flagged, the full MOT history, keeper history with dates, plate transfers, colour changes, import and export markers, scrapped markers, the VIN cross-reference, tax status and the recorded specification. Do that part first, because a car with finance owing on it is not worth driving.
Hidden finance and write-offs won't show up on a test drive.
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