What it costs to charge a 2027 Subaru Solterra 20 AWD in Michigan
At Michigan's residential electricity rate of 21.14¢/kWh, a 2027 Subaru Solterra 20 AWD (rated 28.9 kWh per 100 miles by the EPA) costs $6.11 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 61.8% cheaper per mile than gasoline in Michigan — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Home charging this 2027 Subaru Solterra 20 AWD in Michigan runs about $917 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,486 saved annually, at this mileage.
Cost of a full charge
$17 — that's what Michigan's 21.14¢/kWh rate puts on the 80.4 kWh a 2027 Subaru Solterra 20 AWD needs for its full 278-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Subaru Solterra 20 AWD in Michigan ranks 9,957 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 Michigan ranks 38 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 Subaru Solterra 20 AWD 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 Michigan 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. At 21.14¢/kWh, Michigan sits in the middle of the national range — the guide to why charging cost varies by state shows where.