What it costs to charge a 2027 Subaru Solterra 20 AWD in Arizona

At Arizona's residential electricity rate of 15.45¢/kWh, a 2027 Subaru Solterra 20 AWD (rated 28.9 kWh per 100 miles by the EPA) costs $4.47 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 72.1% cheaper per mile than gasoline in Arizona — charging at home costs a fraction of what gas would here.

2027 Subaru Solterra 20 AWD: yearly cost in Arizona

Home charging this 2027 Subaru Solterra 20 AWD in Arizona runs about $670 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,733 saved annually, at this mileage.

Cost of a full charge

$12.42 — that's what Arizona's 15.45¢/kWh rate puts on the 80.4 kWh a 2027 Subaru Solterra 20 AWD needs for its full 278-mile EPA range.

2027 Subaru Solterra 20 AWD in Arizona, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Subaru Solterra 20 AWD in Arizona ranks 2,300 for cost savings versus gas — 1 being the best deal nationally. Separately, the Subaru Solterra 20 AWD ranks 35 of 400 EV models for raw efficiency, and Arizona ranks 25 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.

Ask a licensed Arizona 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. At 15.45¢/kWh, Arizona sits in the middle of the national range — the guide to why charging cost varies by state shows where.