What it costs to charge a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) in Idaho

In Idaho, home electricity runs 12.8¢/kWh — put a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires)'s EPA-rated 36.8 kWh/100mi against that and 100 miles costs $4.71, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 70.6% cheaper per mile than gasoline in Idaho — charging at home costs a fraction of what gas would here.

2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires): yearly cost in Idaho

Home charging this 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) in Idaho runs about $706 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,697 saved annually, at this mileage.

Filling up the 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires), in dollars

$17.13 — that's what Idaho's 12.8¢/kWh rate puts on the 133.8 kWh a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) needs for its full 364-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) in Idaho ranks 3,240 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (21 inch Summer Tires) ranks 184 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) 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 Idaho 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. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.