2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires): home charging cost in New Mexico
At New Mexico's residential electricity rate of 14.82¢/kWh, a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) (rated 36.8 kWh per 100 miles by the EPA) costs $5.45 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 costs a fraction of what gas would here: 66% 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 New Mexico costs about $817/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,586 a year.
Filling up the 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires), in dollars
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 $19.83 at 14.82¢/kWh in New Mexico.
2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) in New Mexico, ranked
This combination ranks 6,697 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; New Mexico alone ranks 17 of 51 states for electricity price.
Before you install a home charger in New Mexico
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.
Ask a licensed New Mexico electrician to quote the install before this math becomes a real decision.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how New Mexico's 14.82¢/kWh compares? The guide to charging cost by state ranks every state side by side.