What it costs to charge a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) in South Dakota

In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $5.71, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.3% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.

2026 BMW i7 eDrive50 Sedan (20 inch Wheels): yearly cost in South Dakota

Home charging this 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) in South Dakota runs about $857 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,546 saved annually, at this mileage.

What one full charge costs

$17.2 — that's what South Dakota's 14.33¢/kWh rate puts on the 120 kWh a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) needs for its full 301-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) in South Dakota ranks 8,100 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 eDrive50 Sedan (20 inch Wheels) ranks 261 of 400 EV models for raw efficiency, and South Dakota ranks 14 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 BMW i7 eDrive50 Sedan (20 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 South Dakota 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 eDrive50 Sedan (20 inch Wheels)'s cost in South Dakota. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.