What it costs to charge a 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) in Hawaii

At Hawaii's residential electricity rate of 45.95¢/kWh, a 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) (rated 31.9 kWh per 100 miles by the EPA) costs $14.64 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 8.6% cheaper per mile than gasoline in Hawaii — charging at home costs a little less than gas here.

What a year of driving costs

Home charging this 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) in Hawaii runs about $2,197 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $206 saved annually, at this mileage.

What one full charge costs

$43.79 — that's what Hawaii's 45.95¢/kWh rate puts on the 95.3 kWh a 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) needs for its full 299-mile EPA range.

2027 BMW i5 eDrive40 Sedan (20 inch Wheels) in Hawaii, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) in Hawaii ranks 19,940 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i5 eDrive40 Sedan (20 inch Wheels) ranks 84 of 400 EV models for raw efficiency, and Hawaii ranks 51 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 BMW i5 eDrive40 Sedan (20 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.

Line up a few Hawaii electrician quotes for Level 2 install before you commit either way.

More on how this number was built

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