Charging a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) at home in North Carolina

At North Carolina's residential electricity rate of 14.9¢/kWh, a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) (rated 37.4 kWh per 100 miles by the EPA) costs $5.58 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 65.2% cheaper per mile than gasoline in North Carolina — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

North Carolina owners putting 15,000 annual miles on a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) spend about $837 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,566 saved annually, at this mileage.

Cost of a full charge

At North Carolina's rate, fully covering this 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)'s 354-mile EPA range costs about $19.75 (132.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in North Carolina ranks 7,338 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (21 inch All-Season Tires) ranks 205 of 400 EV models for raw efficiency, and North Carolina ranks 18 of 51 for cheapest residential electricity.

Before you install a home charger in North Carolina

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 North Carolina electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how North Carolina's 14.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.