2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires): home charging cost in New Hampshire

A 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) draws 37.4 kWh per 100 miles per the EPA; at New Hampshire's 26.83¢/kWh residential rate that's $10.05 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 37.3% 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 All-Season Tires) charged at home in New Hampshire costs about $1,507/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $896 a year.

What one full charge costs

A 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) needs roughly 132.5 kWh to reach its EPA-rated 354-mile range, which runs about $35.56 at 26.83¢/kWh in New Hampshire.

2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in New Hampshire, ranked

This combination ranks 17,461 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; New Hampshire alone ranks 43 of 51 states for electricity price.

Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) at home

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.

Get quotes from local electricians for Level 2 charger installation in New Hampshire before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how New Hampshire's 26.83¢/kWh compares? The guide to charging cost by state ranks every state side by side.