Rhode Island home charging cost for the 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels)

A 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) draws 45.1 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $13.27 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: 17.2% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) costs roughly $1,990 a year to charge at home in Rhode Island, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $413 a year.

Cost of a full charge

Covering the 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels)'s EPA-rated 267-mile range takes about 120.3 kWh, which costs about $35.43 at Rhode Island's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Rhode Island, ranked

This combination ranks 19,628 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; Rhode Island alone ranks 47 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.

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.