Is It Safe to Buy a Used Electric Car?

A couple standing next to their electric car and home charging point — Photo by go-e on Unsplash

Quick answer

Yes, a used electric car is a safe, sensible buy for most people. EVs have far fewer moving parts than petrol cars, so there's less to go wrong, and batteries are proving very durable. The main risk is buying a car whose battery has degraded more than the price suggests, and that's exactly the thing you can check from the registration before you buy.

Key takeaways

EVs have fewer moving parts than petrol cars, fewer things to fail.
Battery failure is rare; gradual range loss is the real thing to check.
EVs are not more likely to catch fire than petrol or diesel cars.
The one check that removes most of the risk is a battery-health check.

Are used electric cars reliable?

Mechanically, an EV is simpler than a petrol car: no engine, no gearbox, no clutch, no exhaust, no cambelt, no oil changes. Fewer moving parts means fewer things to wear out or break. Reliability surveys increasingly bear this out, with EV drivetrains proving robust. The parts that do wear, tyres, brakes, suspension, the 12V battery, are ordinary and cheap to sort.

Will the battery fail?

This is the fear, and it's largely unfounded. Outright traction- battery failure is rare and, when it does happen in the warranty period, it's the manufacturer's problem, most packs are covered for 8 years / 100,000 miles. The realistic risk isn't failure but gradual capacity loss: a car that quietly does fewer miles than it should. That's manageable precisely because you can measure it, see how to check battery health.

Are used EVs safe? The fire myth

Headlines exaggerate EV fire risk. Multiple insurance and government data sets show electric cars are less likely to catch fire than petrol or diesel cars, not more. Modern EVs are also crash-tested to the same standards as any other car, and many score top marks. A used EV in good condition is as safe to drive as its combustion equivalent.

What used EVs cost to run and own

Running costs are typically lower, home charging is far cheaper per mile than petrol, servicing is simpler, and a pure EV is exempt from ULEZ and Clean Air Zone charges (though EV road tax now applies from April 2025). Depreciation on used EVs has been steep, which is bad news for original owners but good news for used buyers: you get a lot of car for the money, provided the battery is healthy.

The one check that removes most of the risk

If the battery is the main risk and you can measure it, most of the gamble disappears. The Used EV Check reports the expected real-world range now versus when new, a degradation estimate, a battery-health grade where a manufacturer test record exists, and the warranty remaining, from just the registration. Run it before you view, and you're buying with facts, not hope. Range data is powered by ClearWatt.

Range and battery-health figures are estimates modelled from real-world data and are shown for the specific vehicle in the Used EV Check. Range data is powered by ClearWatt. A battery-health grade is shown where a manufacturer test record exists, it is a comparative grade, not a measured state-of-health percentage.

Range data powered by ClearWatt

Check a used EV before you buy

Enter a registration to see a used EV's battery health, real-world range now vs when new and remaining battery warranty, an instant report for £9.99.

See the Used EV Check (£9.99) →Try the free EV check

Frequently asked questions

Are used electric cars reliable?+

Yes. With no engine, gearbox or exhaust, EVs have far fewer moving parts than petrol cars and fewer things to go wrong. The wear items are ordinary, tyres, brakes, 12V battery. The one thing to check carefully is the traction battery’s health.

Is it risky to buy a used EV with a degraded battery?+

Only if you don’t check it. Gradual capacity loss is normal and priced into the market; the risk is overpaying for a car that has degraded more than average. A battery-health check by registration shows the expected range now vs when new so you pay the right price.

Do electric cars catch fire more than petrol cars?+

No. Insurance and fire-service data consistently show EVs are less likely to catch fire than petrol or diesel vehicles. Modern EVs are also crash-tested to the same standards and many achieve top safety ratings.

Is a used EV cheaper to run than a petrol car?+

Usually yes, especially if you can charge at home, cost per mile is much lower, servicing is simpler, and pure EVs avoid ULEZ and Clean Air Zone charges. Note that EV road tax (VED) now applies from April 2025, so factor that in.

Related guides

Buying a Used EV

Used EV buying checklist

A 10-point checklist for buying a used electric car: battery health, real-world range, warranty remaining, MOT and mileage history, charging and the paperwork to see before you hand over any money.

Battery & Range

How to check EV battery health

How to check an electric car's battery health before you buy, what a battery health grade means, how to read real-world range now vs when new, and how to check it from just the registration.