2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires): home charging cost in South Dakota

A 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) draws 38.4 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $5.5 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 65.7% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) charged at home in South Dakota costs about $825/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,578 a year.

Cost of a full charge

A 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) needs roughly 132 kWh to reach its EPA-rated 344-mile range, which runs about $18.92 at 14.33¢/kWh in South Dakota.

How this compares nationally

This combination ranks 6,978 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (20 inch All-Season Tires) alone ranks 222 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.

Getting set up to charge a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) at home

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Get quotes from local electricians for Level 2 charger installation in South Dakota before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 14.33¢/kWh, South Dakota sits in the middle of the national range — the guide to why charging cost varies by state shows where.