What it costs to charge a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Rhode Island

A 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) draws 33.4 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $9.84 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 38.6% cheaper per mile than gasoline in Rhode Island — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Rhode Island runs about $1,476 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $927 saved annually, at this mileage.

What one full charge costs

$28.24 — that's what Rhode Island's 29.45¢/kWh rate puts on the 95.9 kWh a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) needs for its full 287-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Rhode Island ranks 17,271 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 xDrive40 Gran Coupe (18 inch Wheels) ranks 114 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Next step: home charger installation

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

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.