2026 BMW i7 eDrive50 Sedan (21 inch Wheels): home charging cost in Arizona

A 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) draws 38.9 kWh per 100 miles per the EPA; at Arizona's 15.45¢/kWh residential rate that's $6.02 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 62.4% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) charged at home in Arizona costs about $903/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,500 a year.

Filling up the 2026 BMW i7 eDrive50 Sedan (21 inch Wheels), in dollars

A 2026 BMW i7 eDrive50 Sedan (21 inch Wheels) needs roughly 119.6 kWh to reach its EPA-rated 307-mile range, which runs about $18.47 at 15.45¢/kWh in Arizona.

2026 BMW i7 eDrive50 Sedan (21 inch Wheels) in Arizona, ranked

This combination ranks 9,520 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 eDrive50 Sedan (21 inch Wheels) alone ranks 236 of 400 models for efficiency; Arizona alone ranks 25 of 51 states for electricity price.

Before you install a home charger in Arizona

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. Arizona's 15.45¢/kWh rate ranks 25 of 51 states; the state rate guide lays out the full spread.