Charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) at home in Rhode Island

A 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) draws 37.4 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $11.03 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 31.2% cheaper per mile than gasoline in Rhode Island — charging at home is cheaper than gas here.

What a year of driving costs

Rhode Island owners putting 15,000 annual miles on a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) spend about $1,654 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $749 saved annually, at this mileage.

What one full charge costs

At Rhode Island's rate, fully covering this 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s 354-mile EPA range costs about $39.03 (132.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Rhode Island, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Rhode Island ranks 18,344 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (20 inch All-Season Tires) ranks 204 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) at home

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Get quotes from local electricians for Level 2 charger installation in Rhode Island before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.