Best Used Electric Cars Under £20,000 UK 2025

Introduction

The electric vehicle (EV) market has exploded in recent years, making it easier than ever to find a quality used electric car for under £20,000 in the UK. With advancements in technology, the range of options available has expanded significantly, and many models now offer impressive performance, comfort, and reliability. This guide will help you navigate the Best Used electric cars currently available, focusing on key factors such as battery health, real-world range, charging costs, and common issues specific to each model.

Understanding Battery Health

When considering a used electric car, battery health is paramount. Unlike traditional vehicles, EVs rely heavily on their batteries for performance and range. As batteries age, they can degrade, leading to reduced efficiency and range. Most manufacturers provide warranties for their batteries, typically lasting around eight years or 100,000 miles, but it’s essential to check the specific warranty details for each model.

What to Check

Before purchasing a used electric car, it’s crucial to check the battery's state of health (SoH). A battery with a SoH of 80% or above is generally considered healthy. You can often obtain this information through a diagnostic check or by asking the seller for documentation. Additionally, consider the following:

• Charging History: Find out how the previous owner charged the vehicle. Frequent rapid charging can accelerate battery degradation.
• MOT History: Check the vehicle’s MOT history for any past issues related to the battery or electrical system. You can use the GOV.UK MOT history tool for this.
• Battery Degradation Reports: Some models, like the Nissan Leaf, have specific degradation reports available that can give you insights into how the battery has performed over time.

Real-World Range vs Manufacturer Claims

One of the most significant considerations when buying a used electric car is the real-world range compared to the manufacturer’s claims. While manufacturers often advertise impressive range figures, actual performance can vary based on driving conditions, weather, and driving style.

Typical Ranges

For example, the Nissan Leaf with a 40kWh battery claims a range of up to 150 miles. However, in real-world conditions, especially during winter months, you might expect closer to 100-120 miles. On the other hand, the Kia e-Niro boasts a manufacturer-claimed range of around 282 miles, which is more achievable in everyday driving scenarios.

If you are weighing up alternatives, our guide to Used Hyundai Ioniq Electric covers similar ground from a different angle.

Understanding these discrepancies is vital. Always ask the seller about their experience with the car's range, and if possible, take it for a test drive to see how it performs under your typical driving conditions.

Charging Costs and Infrastructure

Charging costs are another crucial factor when considering a used electric car. The cost of electricity can vary significantly depending on whether you charge at home, at work, or using public charging stations.

Home Charging

Charging at home is generally the most cost-effective option. The average cost of electricity in the UK is around 14p per kWh. For instance, if you own a Hyundai Ioniq Electric with a 38.3 kWh battery, a full charge would cost approximately £5.37. This can provide a range of around 180 miles, making it a cost-efficient choice for daily commuting.

Public Charging

Public charging stations can be more expensive. Rapid chargers can charge your vehicle to 80% in about 30 minutes but may charge rates of up to 40p per kWh. This means a full charge could cost significantly more if you rely on public infrastructure. It’s essential to factor in these costs when budgeting for your electric vehicle.

For more on this topic, take a look at our Tesla Model 3 Real Range UK Winter Driving guide.

Additionally, consider the availability of charging points in your area. The UK has made significant strides in expanding the charging network, but some regions still lack sufficient infrastructure. Use apps like Zap-Map to locate charging stations near you and check their availability.

Common Problems Specific to EVs and Hybrids

While electric cars are generally reliable, they are not without their issues. Understanding common problems can save you from unexpected repair bills down the line.

Battery Issues

As mentioned earlier, battery degradation is a common concern. Models like the BMW i3 have been known to experience battery issues, particularly if they have been charged rapidly too often. The Used BMW i3: Is It Worth Buying Used guide provides insights into potential battery problems and how to mitigate them.

Software Glitches

Many electric vehicles rely heavily on software to manage various systems. This can lead to glitches that may affect performance. Regular software updates are essential, so ensure the previous owner kept up with these updates.

You might also find our Ford Mustang Mach-E Used Buying Guide UK guide useful alongside this one.

Electrical System Failures

Electrical components, including the charging port and onboard charger, can fail. Always check for any warning lights on the dashboard and ask about any previous electrical issues. A thorough inspection by a qualified mechanic familiar with EVs is advisable before finalising your purchase.

Running Cost Savings vs Petrol/Diesel

One of the primary reasons people switch to electric vehicles is the potential for savings on running costs. Compared to petrol or diesel vehicles, EVs can offer significant savings in fuel and maintenance costs.

Fuel Savings

Based on the average UK fuel prices, running a petrol car can cost around 15-20p per mile, depending on the vehicle's efficiency. In contrast, electric vehicles typically cost around 4-6p per mile to charge. For a daily commute of 20 miles, this could mean savings of £2.40 to £3.20 per day.

Maintenance Costs

Electric vehicles have fewer moving parts than traditional combustion engines, which can lead to lower maintenance costs. There’s no oil to change, and brake wear is often reduced due to regenerative braking systems. However, keep in mind that battery replacements can be expensive, so it’s crucial to factor this into your long-term budget.

We have covered related ground in our Honda Jazz Hybrid guide, which is worth reading if this subject interests you.

Top Picks for Used Electric Cars Under £20,000

Now that you understand the key factors to consider, let’s look at some of the best used electric cars available for under £20,000 in the UK.

Nissan Leaf

The Nissan Leaf is one of the most popular electric cars on the market. With a spacious interior and a practical range of around 150 miles, it’s an excellent choice for families. Look for models with the 40kWh battery for a good balance of range and price. The Leaf has a reputation for reliability, but be sure to check the Nissan Leaf 40kWh Battery Degradation After 5 Years guide to understand potential battery issues.

Hyundai Ioniq Electric

The Hyundai Ioniq Electric offers a sleek design and impressive efficiency. With a range of around 180 miles, it’s perfect for daily commuting. The Ioniq has received positive reviews for its driving experience and build quality. However, be aware of potential battery degradation; check the Used Hyundai Ioniq Electric: Battery Degradation What To Expect guide for more information.

Kia e-Niro

The Kia e-Niro is a fantastic all-rounder, offering a spacious interior and a range of up to 282 miles. It’s well-equipped and has a strong reputation for reliability. The e-Niro’s battery performance is generally solid, but it’s wise to check for any signs of degradation. The Kia e-Niro Battery Degradation: What to Expect After 4 Years guide provides valuable insights into this.

If things go wrong after purchase, Citizens Advice can help you understand your legal rights.

BMW i3

The BMW i3 is a unique option with its distinctive design and premium feel. It offers a range of around 150 miles, making it suitable for city driving. However, battery health can be a concern, so refer to the Used BMW i3: Used Buying Guide Battery Health for tips on what to look for.

Dave's Verdict: Is It Worth Going Electric?

Switching to an electric vehicle can be a smart move, especially with the growing range of options available under £20,000. The savings on fuel and maintenance costs can be significant, and the environmental benefits are undeniable. However, it’s essential to do your homework. Check battery health, understand real-world ranges, and be aware of potential issues specific to each model.

Before making a purchase, consider running a free vehicle intelligence report to ensure you’re making an informed decision. This report can help you uncover any hidden issues and give you peace of mind as you transition to electric driving. With the right research and preparation, you can find a used electric car that meets your needs and budget, paving the way for a greener future.

In conclusion, the used electric car market is thriving, and with careful consideration, you can find a vehicle that not only saves you money but also contributes to a more sustainable environment. Whether you opt for the reliable Nissan Leaf, the stylish Hyundai Ioniq, or the spacious Kia e-Niro, there’s a suitable option for everyone. Happy car hunting!