What it costs to charge a 2027 Subaru Uncharted 20 inch AWD in Hawaii

At Hawaii's residential electricity rate of 45.95¢/kWh, a 2027 Subaru Uncharted 20 inch AWD (rated 29.5 kWh per 100 miles by the EPA) costs $13.56 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 15.4% cheaper per mile than gasoline in Hawaii — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Subaru Uncharted 20 inch AWD in Hawaii runs about $2,033 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $370 saved annually, at this mileage.

Filling up the 2027 Subaru Uncharted 20 inch AWD, in dollars

$37.01 — that's what Hawaii's 45.95¢/kWh rate puts on the 80.5 kWh a 2027 Subaru Uncharted 20 inch AWD needs for its full 273-mile EPA range.

2027 Subaru Uncharted 20 inch AWD in Hawaii, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Subaru Uncharted 20 inch AWD in Hawaii ranks 19,718 for cost savings versus gas — 1 being the best deal nationally. Separately, the Subaru Uncharted 20 inch AWD ranks 49 of 400 EV models for raw efficiency, and Hawaii ranks 51 of 51 for cheapest residential electricity.

Before you install a home charger in Hawaii

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.

Ask a licensed Hawaii electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.