BMW i4 vs Volkswagen ID.7: home charging cost

At the July 2026 Ofgem price cap (26.11p/kWh), the Volkswagen ID.7 costs less to charge — it is the cheaper of the two to run at 5.9p per mile vs 6.6p for the BMW i4 — a difference of about £65.93 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

	BMW i4eDrive40	Volkswagen ID.7Pro 77 kWh
Full charge cost	£23.94	£22.85
Cost per mile	6.6p	5.9p
20-80% on a 7 kW wallbox	6 hr 55 min	6 hr 36 min
Usable battery	80.7 kWh	77 kWh
WLTP range	367 miles	383 miles
Efficiency	4.5 mi/kWh	5 mi/kWh
Max AC charging	11 kW	11 kW

At a glance

Full charge cost (lower is better)

BMW i4£23.94

Volkswagen ID.7£22.85

Running cost per mile (lower is better)

BMW i46.6p

Volkswagen ID.75.9p

20-80% time on a 7 kW wallbox (lower is better)

BMW i46 hr 55 min

Volkswagen ID.76 hr 36 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.