Electric car running costs in the UK
The running costs of an electric car are fundamentally different from a petrol or diesel. Understanding each element helps you work out whether EV ownership makes financial sense for your situation.
Home charging — the biggest saving
If you can charge at home, you’ll pay the equivalent of roughly 40–50p per litre of petrol at typical smart tariff rates. This is the single biggest factor in EV economy.
- Intelligent Octopus Go: ~7p/kWh overnight, typically 23:30–05:30
- Octopus Flux: time-of-use tariff that also pays you to export surplus solar
- Standard rate: ~24p/kWh (most UK suppliers in 2026)
At 7p/kWh and 3.5 miles/kWh: 2p per mile. At 24p/kWh: 7p per mile.
Public charging costs
Public charging is significantly more expensive than home charging:
- Rapid chargers (50–150kW): 50–70p/kWh — around 14–20p per mile
- Ultra-rapid (150kW+): 55–80p/kWh at motorway services
- Destination charging (hotels, car parks): 30–50p/kWh
Plan your charging to minimise public rapid charging costs. Most EV owners do 80–90% of charging at home.
Servicing and maintenance
EVs require less frequent and cheaper servicing:
| Item | EV | Petrol |
|---|---|---|
| Annual service | £150–250 | £250–400 |
| Oil change | Never | £75–150/year |
| Timing belt | Never | £300–600 (every 5 years) |
| Brake pads | Rare | Every 2–3 years |
| Exhaust | Never | Every 5–8 years |
Budget £150–250/year for a new EV in warranty, rising to £200–350 for older models.
Road tax (VED) 2026
From April 2025, EVs are subject to VED:
- First year: £10 (new zero-emission cars)
- Subsequent years: £195/year (standard rate)
- Expensive car supplement: if purchase price over £40,000, add £410/year for years 2–6
Insurance
EV insurance is typically 10–20% more expensive than equivalent petrol models, mainly due to:
- Higher repair costs for EV-specific components
- Battery replacement uncertainty
- Limited repair network for some brands
Always compare insurance quotes annually. The gap between EV and petrol insurance is narrowing as more insurers gain experience with EVs.
Depreciation
EV depreciation varies significantly by brand and model:
- Tesla Model 3: strong residuals, ~38% over 3 years
- Nissan Leaf: historically high depreciation, ~50% over 3 years
- Kia EV6: good residuals, ~35% over 3 years
- VW ID.4: medium depreciation, ~40% over 3 years
The used EV market is maturing rapidly. As charging infrastructure improves and range anxiety decreases, residual values should improve.
The full picture
Use our True Cost Calculator to combine all these elements for your specific car and usage. Or compare EVs directly against petrol equivalents with the EV vs Petrol comparison tool.