Tesla Model 3 vs Tesla Model Y: home charging cost
At the July 2026 Ofgem price cap (26.11p/kWh), the Tesla Model Y costs less to charge — it is the cheaper of the two to run at 5.7p per mile vs 6.5p for the Tesla Model 3 — a difference of about £74.42 over 10,000 miles of home charging.
Prices based on the Ofgem price cap of 26.11 p/kWh, effective 1 July 2026.Source: Ofgem
| Tesla Model 3RWD | Tesla Model YLong Range RWD | |
|---|---|---|
| Full charge cost | £17.06 | £22.25 |
| Cost per mile | 6.5p | 5.7p |
| 20-80% on a 7 kW wallbox | 4 hr 56 min | 6 hr 26 min |
| Usable battery | 57.5 kWh | 75 kWh |
| WLTP range | 318 miles | 387 miles |
| Efficiency | 4.6 mi/kWh | 5.2 mi/kWh |
| Max AC charging | 11 kW | 11 kW |
At a glance
Tesla Model 3£17.06
Tesla Model Y£22.25
Tesla Model 36.5p
Tesla Model Y5.7p
Tesla Model 34 hr 56 min
Tesla Model Y6 hr 26 min
The bigger battery costs more to fill but is not necessarily more expensive to run — cost per mile depends on efficiency, not battery size. Costs include ~12% AC charging losses, and both figures rise in the cold — typically 10–30% in winter. On an off-peak tariff both cars cost roughly two thirds less per mile.