2026 BMW i7 M70 xDrive Sedan (20 inch Wheels): home charging cost in New Hampshire

At New Hampshire's residential electricity rate of 26.83¢/kWh, a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) (rated 45.1 kWh per 100 miles by the EPA) costs $12.09 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 cheaper than gas here: 24.5% 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 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) charged at home in New Hampshire costs about $1,813/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $590 a year.

Filling up the 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels), in dollars

A 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) needs roughly 120.3 kWh to reach its EPA-rated 267-mile range, which runs about $32.28 at 26.83¢/kWh in New Hampshire.

Where this ranks

This combination ranks 19,079 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 M70 xDrive Sedan (20 inch Wheels) alone ranks 360 of 400 models for efficiency; New Hampshire alone ranks 43 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 New Hampshire electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels)'s cost in New Hampshire. Curious how New Hampshire's 26.83¢/kWh compares? The guide to charging cost by state ranks every state side by side.