2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires): home charging cost in Maine

In Maine, home electricity runs 29.67¢/kWh — put a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires)'s EPA-rated 38.4 kWh/100mi against that and 100 miles costs $11.39, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 28.9% 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 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) charged at home in Maine costs about $1,708/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $695 a year.

Cost of a full charge

A 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) needs roughly 132 kWh to reach its EPA-rated 344-mile range, which runs about $39.17 at 29.67¢/kWh in Maine.

2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) in Maine, ranked

This combination ranks 18,592 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (20 inch All-Season Tires) alone ranks 222 of 400 models for efficiency; Maine alone ranks 48 of 51 states for electricity price.

Before you install a home charger in Maine

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.

Ask a licensed Maine electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Maine has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.