BYD Atto 3 vs MG ZS EV: home charging cost

At the current price cap, the BYD Atto 3 is the cheaper of the two to run at 6.9p per mile vs 7.4p for the MG ZS EV — a difference of about £51.75 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

	BYD Atto 360.5 kWh	MG ZS EVLong Range
Full charge cost	£17.95	£20.26
Cost per mile	6.9p	7.4p
20-80% on a 7 kW wallbox	5 hr 11 min	5 hr 51 min
Usable battery	60.5 kWh	68.3 kWh
WLTP range	260 miles	273 miles
Efficiency	4.3 mi/kWh	4 mi/kWh
Max AC charging	7 kW	11 kW

At a glance

Full charge cost (lower is better)

BYD Atto 3£17.95

MG ZS EV£20.26

Running cost per mile (lower is better)

BYD Atto 36.9p

MG ZS EV7.4p

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

BYD Atto 35 hr 11 min

MG ZS EV5 hr 51 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.