Charging a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) at home in Rhode Island
At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) (rated 31.1 kWh per 100 miles by the EPA) costs $9.16 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 42.8% cheaper per mile than gasoline in Rhode Island — charging at home is much cheaper than gas here.
What a year of driving costs
Rhode Island owners putting 15,000 annual miles on a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) spend about $1,374 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,029 saved annually, at this mileage.
What one full charge costs
At Rhode Island's rate, fully covering this 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)'s 307-mile EPA range costs about $28.11 (95.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) in Rhode Island ranks 16,592 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 eDrive40 Gran Coupe (19 inch Wheels) ranks 77 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) 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
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.