South Dakota home charging cost for the 2026 BMW i7 xDrive60 Sedan (21 inch Wheels)
A 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) draws 38.8 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $5.56 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: 65.3% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) costs roughly $833 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 $1,570 a year.
What one full charge costs
Covering the 2026 BMW i7 xDrive60 Sedan (21 inch Wheels)'s EPA-rated 308-mile range takes about 119.4 kWh, which costs about $17.11 at South Dakota's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
2026 BMW i7 xDrive60 Sedan (21 inch Wheels) in South Dakota, ranked
This combination ranks 7,285 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (21 inch Wheels) alone ranks 232 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.
Before you install a home charger in South Dakota
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. 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.