2027 BMW i7 xDrive60 Sedan (20"), SD Charging Cost

South Dakota home charging cost for the 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires)

In South Dakota, home electricity runs 14.33¢/kWh, put a 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires)'s EPA-rated 36.5 kWh/100mi against that and 100 miles costs $5.23, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 67.3% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires) costs roughly $785 a year to charge at home in South Dakota, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,618 a year.

What one full charge costs

Covering the 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires)'s EPA-rated 362-mile range takes about 132.2 kWh, which costs about $18.94 at South Dakota's residential rate, figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 5,677 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (20 inch Summer Tires) alone ranks 177 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.

Next step: home charger installation

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.

Line up a few South Dakota electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.