What it costs to charge a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) in North Dakota

A 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) draws 42.5 kWh per 100 miles per the EPA; at North Dakota's 12.19¢/kWh residential rate that's $5.17 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 67.7% cheaper per mile than gasoline in North Dakota — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) in North Dakota runs about $776 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,627 saved annually, at this mileage.

Cost of a full charge

$14.75 — that's what North Dakota's 12.19¢/kWh rate puts on the 121 kWh a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) needs for its full 285-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) in North Dakota ranks 5,338 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 M70 xDrive Sedan (21 inch Wheels) ranks 310 of 400 EV models for raw efficiency, and North Dakota ranks 1 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) at home

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Get quotes from local electricians for Level 2 charger installation in North Dakota before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. North Dakota is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.