2027 BMW i7 xDrive50 Sedan (21"), OK Charging Cost
2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires): home charging cost in Oklahoma
In Oklahoma, home electricity runs 13.37¢/kWh, put a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires)'s EPA-rated 36.8 kWh/100mi against that and 100 miles costs $4.91, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 69.3% 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 xDrive50 Sedan (21 inch Summer Tires) charged at home in Oklahoma costs about $737/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,666 a year.
Cost of a full charge
A 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) needs roughly 133.8 kWh to reach its EPA-rated 364-mile range, which runs about $17.89 at 13.37¢/kWh in Oklahoma.
Where this ranks
This combination ranks 4,146 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (21 inch Summer Tires) alone ranks 184 of 400 models for efficiency; Oklahoma alone ranks 5 of 51 states for electricity price.
Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (21 inch Summer 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 Oklahoma before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. Oklahoma is one of the cheapest states for home electricity, the guide to why the cost varies so much by state covers what drives that.