Charging a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) at home in New Mexico
At New Mexico's residential electricity rate of 14.82¢/kWh, a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) (rated 38.3 kWh per 100 miles by the EPA) costs $5.67 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. That works out to 64.6% cheaper per mile than gasoline in New Mexico — charging at home is much cheaper than gas here.
What a year of driving costs
New Mexico owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) spend about $851 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,552 saved annually, at this mileage.
Cost of a full charge
At New Mexico's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)'s 348-mile EPA range costs about $19.75 (133.2 kWh) — the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) in New Mexico ranks 7,825 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (21 inch Summer Tires) ranks 221 of 400 EV models for raw efficiency, and New Mexico ranks 17 of 51 for cheapest residential electricity.
Before you install a home charger in New Mexico
Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.
Ask a licensed New Mexico electrician to quote the install before this math becomes a real decision.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 14.82¢/kWh, New Mexico sits in the middle of the national range — the guide to why charging cost varies by state shows where.