2027 BMW i7 xDrive50 Sedan (21"), RI Charging Cost

2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires): home charging cost in Rhode Island

A 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) draws 36.8 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $10.83 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: 32.4% 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 Summer Tires) charged at home in Rhode Island costs about $1,624/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $779 a year.

Cost of a full charge

A 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) needs roughly 133.8 kWh to reach its EPA-rated 364-mile range, which runs about $39.41 at 29.45¢/kWh in Rhode Island.

2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) in Rhode Island, ranked

This combination ranks 18,202 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (21 inch Summer Tires) alone ranks 184 of 400 models for efficiency; Rhode Island alone ranks 47 of 51 states for electricity price.

Before you install a home charger in Rhode Island

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 Rhode Island electrician to quote the install before this math becomes a real decision.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. Rhode Island 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.