Charging a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) at home in Maryland

A 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) draws 42.5 kWh per 100 miles per the EPA; at Maryland's 21.27¢/kWh residential rate that's $9.03 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 43.6% cheaper per mile than gasoline in Maryland — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Maryland owners putting 15,000 annual miles on a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) spend about $1,354 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,049 saved annually, at this mileage.

Cost of a full charge

At Maryland's rate, fully covering this 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels)'s 285-mile EPA range costs about $25.73 (121 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) in Maryland, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) in Maryland ranks 16,428 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 Maryland ranks 39 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.

Line up a few Maryland electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels)'s cost in Maryland. Maryland's 21.27¢/kWh rate ranks 39 of 51 states; the state rate guide lays out the full spread.