What it costs to charge a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Iowa

At Iowa's residential electricity rate of 13.77¢/kWh, a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) (rated 37.4 kWh per 100 miles by the EPA) costs $5.16 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 67.8% cheaper per mile than gasoline in Iowa — charging at home costs a fraction of what gas would here.

2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires): yearly cost in Iowa

Home charging this 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Iowa runs about $773 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,630 saved annually, at this mileage.

Cost of a full charge

$18.25 — that's what Iowa's 13.77¢/kWh rate puts on the 132.5 kWh a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) needs for its full 354-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 (20 inch All-Season Tires) in Iowa ranks 5,239 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (20 inch All-Season Tires) ranks 204 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Ask a licensed Iowa electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 13.77¢/kWh, Iowa sits in the middle of the national range — the guide to why charging cost varies by state shows where.