MG MG4 EV vs Cupra Born: home charging cost

At the current price cap, the Cupra Born is the cheaper of the two to run at 6.6p per mile vs 6.9p for the MG MG4 EV — a difference of about £30.67 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

	MG MG4 EVSE 51 kWh	Cupra Born58 kWh
Full charge cost	£15.07	£17.21
Cost per mile	6.9p	6.6p
20-80% on a 7 kW wallbox	4 hr 37 min	4 hr 58 min
Usable battery	50.8 kWh	58 kWh
WLTP range	218 miles	262 miles
Efficiency	4.3 mi/kWh	4.5 mi/kWh
Max AC charging	6.6 kW	11 kW

At a glance

Full charge cost (lower is better)

MG MG4 EV£15.07

Cupra Born£17.21

Running cost per mile (lower is better)

MG MG4 EV6.9p

Cupra Born6.6p

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

MG MG4 EV4 hr 37 min

Cupra Born4 hr 58 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.