2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires): home charging cost in Mississippi
At Mississippi's residential electricity rate of 15.35¢/kWh, a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) (rated 38.3 kWh per 100 miles by the EPA) costs $5.88 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. Charging at home is much cheaper than gas here: 63.3% 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 (21 inch Summer Tires) charged at home in Mississippi costs about $882/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,521 a year.
Filling up the 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires), in dollars
A 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) needs roughly 133.2 kWh to reach its EPA-rated 348-mile range, which runs about $20.45 at 15.35¢/kWh in Mississippi.
Where this ranks
This combination ranks 8,830 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (21 inch Summer Tires) alone ranks 221 of 400 models for efficiency; Mississippi alone ranks 22 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 Mississippi 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 15.35¢/kWh, Mississippi sits in the middle of the national range — the guide to why charging cost varies by state shows where.