# EV vs Petrol Running Costs: The Real UK Numbers for 2026

> Electric cars cost 2–3p per mile to fuel at home vs 15–18p for petrol. But purchase prices are still higher. We run the total cost of ownership for UK drivers in 2026.

*Section: Technology — By Amelia Hart (Technology Correspondent) — Published June 20, 2026 — 4 min read*

Canonical URL: https://dailyjunction.org/technology/ev-vs-petrol-running-costs-uk-2026
Tags: electric vehicle, EV, petrol, running costs, UK driving, total cost of ownership

## Key takeaways

- Home-charged EVs cost 2–3p per mile in 'fuel' versus 15–18p for a petrol car averaging 45 mpg at £1.45/litre — a £650–£800 annual saving for a typical 10,000-mile driver.
- EV purchase prices remain £2,000–£8,000 higher than equivalent petrol models, though Chinese and Korean brands have narrowed the gap significantly in 2026.
- Total cost of ownership (fuel, tax, servicing, depreciation) over three years favours the EV for drivers covering 8,000+ miles per year who can charge at home.
- Public charging is 3–4× more expensive than home charging — EV economics depend heavily on charging access.

The electric vehicle conversation in 2026 has moved past "are they the future?" to "do the numbers actually stack up for me?" The answer depends more on your charging situation than on the car itself. A home-charged EV is dramatically cheaper to run than a petrol car. A publicly-charged EV may not be.

This guide compares the real running costs — fuel, tax, servicing, insurance, and depreciation — for a typical UK driver in 2026, using current prices and real-world efficiency data. *This is general information, not purchasing advice.*

## Fuel costs: the biggest difference

The per-mile fuel cost is where the EV's advantage is most visible — or most misleading, depending on your charging access.

**Home charging (the best case):**
- Off-peak EV tariff: ~7.5p per kWh (Octopus Go, OVO Charge Anytime, E.ON Next Drive)
- Real-world efficiency: 3.5–4.0 miles per kWh (typical family EV)
- **Cost per mile: 1.9–2.1p**

**Standard-rate home charging:**
- Standard tariff: ~24p per kWh
- **Cost per mile: 6.0–6.9p**

**Public rapid charging:**
- Rapid charger (50–150 kW): 55–75p per kWh
- **Cost per mile: 14–21p**

**Petrol car (for comparison):**
- UK average petrol price: £1.45 per litre (RAC Fuel Watch, June 2026)
- Average fuel economy: 42–48 mpg (real-world, mixed driving)
- **Cost per mile: 14.7–16.8p**

The headline is stark: a home-charged EV on an off-peak tariff costs roughly **one-eighth** as much per mile as a petrol car. Over 10,000 miles per year, that is **£1,450–£1,550** saved on fuel alone. Over 8,000 miles, the saving is **£1,150–£1,250**.

But the public-charging comparison is much tighter. A driver who relies entirely on public rapid chargers pays roughly the same per mile as a petrol driver — and in some cases, more.

## Other running costs

| Cost category | EV (annual, 10,000 miles) | Petrol (annual, 10,000 miles) | Difference |
|---|---|---|---|
| Fuel/charging | £190–£210 (home, off-peak) | £1,550–£1,680 | **-£1,350** |
| VED (road tax) | £10 (discounted from April 2025) | £190 (typical 130 g/km CO₂) | **-£180** |
| Servicing | £120–£180 | £250–£350 | **-£130** |
| Insurance | £450–£650 | £350–£500 | **+£150** |
| **Total annual running cost** | **£770–£1,050** | **£2,340–£2,720** | **-£1,500** |

The EV saves roughly **£1,500 per year** in running costs for a home-charging driver covering 10,000 miles. For a publicly-charging driver, the saving shrinks to roughly **£200–£500** — still positive, but far less dramatic.

## Purchase price and depreciation

The EV purchase premium is shrinking but has not disappeared:

| Segment | Petrol example (new) | EV example (new) | Price difference |
|---|---|---|---|
| Supermini | Vauxhall Corsa 1.2 (£18,500) | BYD Dolphin (£22,000) | +£3,500 |
| Family hatchback | VW Golf 1.5 (£28,000) | MG4 EV (£26,000) | -£2,000 |
| Compact SUV | Kia Sportage 1.6 (£32,000) | Kia EV3 (£34,000) | +£2,000 |
| Premium saloon | BMW 3 Series (£42,000) | Tesla Model 3 (£42,000) | ~£0 |

The gap has narrowed dramatically. Chinese and Korean manufacturers — BYD, MG, Kia, Hyundai — are now pricing EVs competitively with petrol equivalents in the family-car segment. Premium European brands still charge a premium for their EV models.

Depreciation is the wildcard. Early EVs suffered steep depreciation due to rapid technology improvements and range anxiety, but the market has matured. In 2026, three-year-old EVs with 200+ miles of range hold their value comparably to petrol equivalents, according to CAP HPI data. The exception is older, shorter-range EVs (sub-150 miles), which depreciate more steeply.

## Total cost of ownership over three years

Let us compare a mid-size family car over three years and 30,000 miles:

### Petrol: VW Golf 1.5 (~45 mpg)
- Purchase price: £28,000
- Fuel (30,000 miles): £4,830
- VED (3 years): £570
- Servicing (3 years): £900
- Insurance (3 years): £1,200
- Residual value after 3 years: ~£15,500
- **Total 3-year cost: £20,000**

### EV (home-charged): MG4 EV
- Purchase price: £26,000
- Charging (30,000 miles, home off-peak): £600
- VED (3 years): £30
- Servicing (3 years): £450
- Insurance (3 years): £1,650
- Residual value after 3 years: ~£13,000
- **Total 3-year cost: £15,730**

### EV (public-charged): MG4 EV
- Purchase price: £26,000
- Charging (30,000 miles, public rapid): £4,500
- VED (3 years): £30
- Servicing (3 years): £450
- Insurance (3 years): £1,650
- Residual value after 3 years: ~£13,000
- **Total 3-year cost: £19,630**

The home-charged EV saves roughly **£4,300** over three years versus the petrol equivalent. The publicly-charged EV saves only **£370** — essentially a wash once you factor in the inconvenience of charging stops.

## Head-to-head summary

| Factor | EV (home-charged) | EV (public-charged) | Petrol |
|---|---|---|---|
| Fuel cost per mile | 2–3p | 15–21p | 15–17p |
| Annual fuel (10,000 miles) | £200–£300 | £1,500–£2,100 | £1,550–£1,680 |
| VED | £10/year | £10/year | £190/year (typical) |
| Servicing | 30–50% cheaper | 30–50% cheaper | Baseline |
| Insurance | 20–30% more expensive | 20–30% more expensive | Baseline |
| Purchase premium | £0–£5,000 | £0–£5,000 | Baseline |
| 3-year TCO (30k miles) | Lowest | Comparable to petrol | Baseline |
| Refuelling time | 6–8 hours (home) / 30 min (rapid) | 30–60 min (rapid) | 5 minutes |
| Range | 200–350 miles | 200–350 miles | 400–600 miles |

## The bottom line

For a UK driver who can **charge at home on an off-peak tariff**, an electric car is unequivocally cheaper to run than a petrol equivalent — by roughly £1,500 per year in running costs and £4,000+ over three years of total ownership. The purchase premium has narrowed to the point where many EVs are price-competitive on the forecourt, and the running-cost savings are pure upside.

For a driver who **relies on public charging**, the economics are much closer. The per-mile cost is comparable to petrol, and the purchase premium — while shrinking — means the total cost of ownership is similar. The environmental case remains, but the financial case is not compelling.

The charging-access divide is now the single most important factor in the EV decision. If you have a driveway, garage, or allocated off-street parking, an EV makes financial sense in 2026. If you park on the street and depend on public chargers, a hybrid or efficient petrol car may still be the more practical and cost-effective choice.

## Frequently asked questions

### How much does it cost to charge an EV at home?

On a standard variable tariff (~24p/kWh), a full charge of a 60 kWh battery costs roughly £14.40 and provides 200–250 miles of range — about 6–7p per mile. On an off-peak EV tariff (7.5p/kWh, available from providers like Octopus, OVO, and E.ON), the same charge costs £4.50, or roughly 2p per mile. Most EV owners switch to an EV-specific tariff, making the 2–3p per mile figure the realistic baseline for home charging in 2026.

### What about public charging costs?

Public charging is significantly more expensive. Rapid chargers (50–150 kW) typically cost 55–75p per kWh — roughly £33–£45 for a full charge, or 15–20p per mile. Ultra-rapid chargers (150 kW+) can cost 75–85p per kWh. This means public charging is comparable to or more expensive than petrol on a per-mile basis. EV running costs are only dramatically lower if you can charge at home or at work on a favourable rate.

### Do EVs really need less maintenance?

Yes. An EV has roughly 20 moving parts in its drivetrain versus ~2,000 in a petrol or diesel car. There is no oil to change, no spark plugs, no timing belt, no exhaust system, and regenerative braking reduces brake wear. Tyres wear slightly faster due to the weight of the battery. Overall, servicing costs for an EV are typically 30–50% lower than for an equivalent petrol car over the same mileage, according to fleet data from the British Vehicle Rental and Leasing Association (BVRLA).

## Sources

- [Zapmap — UK Charging Costs 2026](https://www.zap-map.com/charging-costs)
- [RAC — Fuel Watch June 2026](https://www.rac.co.uk/drive/advice/fuel-watch/)
- [BVRLA — EV Total Cost of Ownership Report](https://www.bvrla.co.uk/)

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