What it costs to charge a 2027 Audi S e-tron GT (21 inch wheels) in Massachusetts

At Massachusetts's residential electricity rate of 30.06¢/kWh, a 2027 Audi S e-tron GT (21 inch wheels) (rated 38.5 kWh per 100 miles by the EPA) costs $11.57 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 27.8% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Audi S e-tron GT (21 inch wheels) in Massachusetts runs about $1,736 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $667 saved annually, at this mileage.

Cost of a full charge

$34.02 — that's what Massachusetts's 30.06¢/kWh rate puts on the 113.2 kWh a 2027 Audi S e-tron GT (21 inch wheels) needs for its full 294-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Audi S e-tron GT (21 inch wheels) in Massachusetts ranks 18,732 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi S e-tron GT (21 inch wheels) ranks 226 of 400 EV models for raw efficiency, and Massachusetts ranks 49 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Audi S e-tron GT (21 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 Massachusetts electrician quotes for Level 2 install before you commit either way.

More on how this number was built

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