Buying a Used EV: The Complete Guide

Buying a used electric car is quickly becoming one of the smartest ways to make the switch to EV driving without paying the premium of a brand-new model. With more electric vehicles entering the second-hand market across the UK, drivers now have access to affordable EVs that still offer impressive range, modern features, and low running costs.

But stepping into the world of used EVs can feel a bit different from buying a traditional petrol or diesel car. Questions about battery health, home charging, and range often come up, and if you’re new to electric vehicles, it’s easy to feel unsure about where to start.

That’s where Pro EV’s guide comes in. We’ll break down everything you need to know about buying a used electric car into simple, practical steps. From understanding battery health to a buying checklist, this guide will help you make a confident, informed decision.

If you’re wondering whether it’s the right time to switch, the short answer is: for many drivers, yes. But it depends on how you use your car. If you’re asking “should I buy a used electric car?” you’re probably weighing up cost savings against potential risks. We’ve laid out the pros and cons to give you a clear and balanced view.

Benefits of buying a used electric vehicle:

1. They’re much cheaper to buy
   Electric cars lose value fairly quickly in the first few years, which means you can pick one up for a lot less than it originally cost. That makes buying a second-hand EV one of the most affordable ways to switch to electric.
2. Lower day-to-day costs
   EVs are usually cheaper to run than petrol or diesel cars. Charging at home costs less than filling up with fuel, and there are fewer parts that can wear out, so servicing is often simpler and cheaper too.
3. You still get modern features
   Even older electric cars can come with useful tech like parking sensors, smartphone connectivity, and regenerative braking. So even with a used EV, you can still get a modern driving experience without paying new-car prices.

Downsides to consider:

1. Battery degradation concerns
   This is the biggest hesitation for most buyers. Over time, EV batteries lose some capacity, which can reduce how far the car can travel before it needs to be charged. However, in many cases, degradation is gradual and often less severe than people expect.
2. Slower charging speeds on older models
   Early EVs may not support the fastest rapid charging available today, which can make long-distance travel less convenient.
3. Lower range compared to newer EVs
   Older models typically have smaller batteries, which can mean shorter range. This is more noticeable in colder UK weather or on motorway journeys. Of course, this is only a concern if you are buying an older model, rather than a new one.

Now that we’ve covered the basics, it’s important to address the most essential consideration when buying a used EV: battery health.

Unlike a petrol or diesel engine, the battery is the most expensive component in an EV, and its condition directly affects the car’s performance.

What is EV battery health?

Battery health is usually measured as State of Health (SoH). This shows how much of the battery’s original capacity remains.

• 100% SoH → brand new battery
• 90–100% SoH → excellent condition
• 80–90% SoH → normal for a used EV
• Below 80% SoH → noticeable reduction in range
• 70% SoH or lower → significant degradation

A lower SoH means the battery can store less energy, which reduces the EV’s range.

For more information on what factors degrade your EV’s battery health, read our guide on battery lifespan.

How to check EV battery health

Given how important battery health is, it’s recommended that you carry out an EV battery health check before buying. You can do this by:

• Asking for a battery health report from the seller or dealer
• Checking the car’s onboard system (some models display SoH)
• Using third-party diagnostic tools or apps

What about battery warranties?

Most EVs come with a battery warranty of around 8 years or 100,000 miles. Many manufacturers guarantee that the battery will retain at least 70% of its capacity during this time.

If the battery drops below that level, it may be repaired or replaced under warranty, so always check how much coverage remains.