Arizona home charging cost for the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)
At Arizona's residential electricity rate of 15.45¢/kWh, a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) (rated 37.4 kWh per 100 miles by the EPA) costs $5.78 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: 63.9% less than gas per mile, here specifically.
2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires): yearly cost in Arizona
At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) costs roughly $868 a year to charge at home in Arizona, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,535 a year.
Cost of a full charge
Covering the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)'s EPA-rated 354-mile range takes about 132.5 kWh, which costs about $20.48 at Arizona's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 8,360 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (21 inch All-Season Tires) alone ranks 205 of 400 models for efficiency; Arizona alone ranks 25 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 Arizona 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 15.45¢/kWh, Arizona sits in the middle of the national range — the guide to why charging cost varies by state shows where.