EV vs Petrol Comparison
EV vs Petrol Cost: Reading → Swansea
How much cheaper is an electric vehicle compared to petrol on this 247 km route? Prices updated 18 May 2026.
Cost Comparison
One-way energy cost for EV models vs petrol vehicles. Home charging at GBP 0.28/kWh, DC fast at GBP 0.92/kWh.
| Vehicle | Energy used | Home charge | DC fast | Saving vs car |
|---|---|---|---|---|
| BYD Atto 3 | 39.2 kWh | GBP 10.86 | GBP 36.07 | GBP 21.54 saved |
| Tesla Model 3 | 35.3 kWh | GBP 9.77 | GBP 32.46 | GBP 22.63 saved |
| Volvo XC40 Recharge | 58.8 kWh | GBP 16.28 | GBP 54.10 | GBP 16.11 saved |
| MG4 | 36.3 kWh | GBP 10.06 | GBP 33.42 | GBP 22.34 saved |
| BMW iX3 | 45.7 kWh | GBP 12.67 | GBP 42.08 | GBP 19.73 saved |
| Petrol Car (Petrol) | 20.6 L | GBP 32.40 | — | reference |
| Petrol Van (Diesel) | 27.4 L | GBP 51.20 | — | reference |
DC Fast Charging Time
Time to recharge the energy used for this 247 km route at DC fast charge speed.
United Kingdom EV Electricity Rates
Rates used in the calculations above.
EV Questions: Reading to Swansea
Is an EV cheaper than petrol for Reading to Swansea?
Yes, on home charging, the best EV option for this 247 km route costs approximately GBP 9.77, compared to GBP 32.40 for a petrol car on Petrol. That's a saving of GBP 22.63 per one-way trip. DC fast charging is slightly more expensive but still competitive.
How long does it take to recharge an EV for this route?
It depends on the EV and charger type. On a DC fast charger, most EVs listed here can replenish the energy used for this route in 10–40 minutes. Home AC charging typically takes several hours for the equivalent energy. See the charging time breakdown in the table above.
What is the electricity rate for EV charging in United Kingdom?
The home charging rate used here is GBP 0.28/kWh. Public DC fast charging is estimated at GBP 0.92/kWh. Rates may vary by charger operator and subscription plan.
Which EV is most efficient for highway driving in United Kingdom?
Among the reference models listed here, the Tesla Model 3 achieves approximately 7.0 km/kWh on highway routes, making it one of the most efficient for long-distance travel. Real-world performance may vary with speed, air conditioning, and load.
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