Electric cars have moved well beyond the early-adopter phase. With over one million pure battery electric vehicles now registered on UK roads, the question has shifted from "should I go electric?" to "does the maths actually work for me?"
The answer depends on more than just the sticker price. Total cost of ownership — everything you spend from the moment you buy the car to the moment you sell it — is what really matters. And when you look at the full picture, the numbers are more nuanced than either the enthusiasts or the sceptics would have you believe.
Here is an honest breakdown of what it actually costs to own an electric car in the UK in 2026.
Purchase price: the biggest hurdle
Electric cars still cost more to buy than their petrol or diesel equivalents. A new Volkswagen ID.3 starts from around GBP 33,000, while a comparable Golf is closer to GBP 28,000. At the premium end, the gap narrows — a Tesla Model 3 competes closely with an equivalent BMW 3 Series on price.
The used market is where things get interesting. Early EVs with small batteries (24–30 kWh Nissan Leafs, for example) have depreciated heavily, making them genuinely affordable. Meanwhile, newer models with larger batteries and better range are starting to appear at the three to four year mark with reasonable mileage, offering the best value proposition for many buyers.
Before buying any used EV, it is worth checking the full vehicle history. Enter the registration on Free Plate Check to see MOT records, mileage progression, and tax status — plus the EV specs section shows battery capacity and range data where available.
Charging costs: home vs public
This is where EVs start to win convincingly — but only if you can charge at home.
Home charging
On a standard domestic electricity tariff of around 24p per kWh (as of early 2026), charging a typical 60 kWh battery from empty to full costs roughly GBP 14. That gives you somewhere between 180 and 220 miles of real-world range, working out at approximately 3–5p per mile.
Switch to an EV-specific overnight tariff (several energy providers now offer these at 7–10p per kWh during off-peak hours) and the cost drops to around GBP 4–6 for a full charge. At those rates, annual charging costs for a driver covering 8,000 miles per year come to roughly GBP 250–400.
Compare that to a petrol car averaging 40 mpg at GBP 1.45 per litre: the same 8,000 miles costs around GBP 1,050. That is a saving of GBP 650–800 per year on fuel alone.
Public charging
Public charging is considerably more expensive. Rapid chargers from networks like Gridserve, BP Pulse, and Ionity typically charge 50–79p per kWh, which pushes the cost per mile up to 12–18p — similar to petrol. If you rely primarily on public charging (because you do not have off-street parking, for instance), the fuel cost advantage of an EV largely disappears.
This is one of the most important factors to consider honestly before going electric. Without home charging, the financial case weakens significantly.
Road tax: the free ride is over
For years, one of the financial perks of EV ownership was zero road tax. That changed from April 2025.
Electric vehicles registered from 1 April 2025 onwards now pay the standard annual VED rate of GBP 190. EVs registered before that date transitioned to the standard rate after their initial zero-rate period. And if your EV had a list price exceeding GBP 40,000 when new — which includes most Teslas, BMW iX models, and many others — it also attracts the expensive car supplement, adding GBP 410 per year for five years from the second year of registration.
That means a new Tesla Model 3 Long Range owner is now paying GBP 600 per year in road tax during years two to six. It is still less than many high-emission petrol and diesel vehicles, but it is no longer the advantage it once was.
You can check any vehicle's current tax status and rates on Free Plate Check, and our running costs calculator shows the annual VED figure alongside other ownership costs. For a detailed look at the current rules, see our guide to electric car road tax in 2026.
Insurance: still a premium
EV insurance remains more expensive than equivalent petrol models. Most owners report premiums 15–25% higher, driven by several factors: higher vehicle values, expensive battery and motor repairs, limited numbers of qualified EV technicians, and the tendency for even minor impacts to require costly structural assessments.
The gap is narrowing as insurers gain more data and more garages become EV-capable, but it remains a genuine cost to factor in. For a typical family EV, expect to pay GBP 100–300 more per year in insurance compared to a similar-sized petrol car. Our guide to car insurance groups explains how groupings affect premiums.
Servicing and maintenance: a clear EV win
This is where electric cars genuinely shine. An electric motor has far fewer moving parts than a combustion engine — no oil to change, no timing belt, no exhaust system, no clutch, and fewer brake components to replace thanks to regenerative braking.
Annual servicing costs for an EV typically run between GBP 100 and GBP 200, compared to GBP 250–500 for a petrol or diesel car. Over a five-year ownership period, that adds up to a saving of GBP 750–1,500.
The one major maintenance wildcard is tyres. EVs are heavier than equivalent combustion cars (due to battery weight) and deliver instant torque, both of which increase tyre wear. Many EV owners report replacing tyres 20–30% more frequently, and EV-specific tyres (designed to reduce road noise and rolling resistance) tend to cost more than standard fitments. Budget an extra GBP 100–200 per year for tyres.
The break-even calculation
Bringing it all together, here is a simplified annual comparison for a driver covering 8,000 miles per year, comparing a GBP 33,000 EV to a GBP 28,000 petrol equivalent:
EV annual running costs:
- Home charging: GBP 350
- Road tax: GBP 190
- Insurance premium (additional): GBP 200
- Servicing: GBP 150
- Additional tyre cost: GBP 150
- Total: approximately GBP 1,040
Petrol annual running costs:
- Fuel: GBP 1,050
- Road tax: GBP 190
- Servicing: GBP 350
- Total: approximately GBP 1,590
The EV saves roughly GBP 550 per year in running costs. Against the GBP 5,000 higher purchase price, that puts the break-even point at around four to five years — assuming similar depreciation rates. Higher-mileage drivers break even faster; lower-mileage drivers take longer.
If you cannot charge at home and rely on public rapid chargers, the break-even point extends to eight years or more, which weakens the financial case considerably.
What to check before buying a used EV
The used EV market is growing rapidly, and there are genuine bargains to be found. But there are specific things to verify beyond the usual used car checks:
- Battery health: Ask for the battery health report if available. Degradation below 80% significantly affects range and value.
- Charging history: Frequent rapid charging accelerates battery degradation. A car primarily home-charged is preferable.
- MOT history: Electric cars still need an MOT after three years. Check the full history for any advisories or failures.
- Mileage consistency: As with any used car, verify mileage progression through the MOT records to spot potential tampering.
- ULEZ compliance: All pure EVs are ULEZ compliant, but plug-in hybrids may not be — always check.
The verdict
For drivers who can charge at home, cover reasonable annual mileage, and plan to keep the car for at least three to four years, an electric car is already cheaper to own than a petrol equivalent on a total cost basis. The savings are real, even with the road tax changes and higher insurance.
For those without home charging, or who cover very low mileage, the sums are less compelling right now — though they improve every year as public charging prices come down and purchase prices fall.
Whatever you are considering, check the full specs, history, and running costs of any vehicle for free on Free Plate Check — just enter the registration and see everything in one place.