Charging a 2027 Audi S6 e-tron (21 inch wheels) at home in Massachusetts
A 2027 Audi S6 e-tron (21 inch wheels) draws 33.8 kWh per 100 miles per the EPA; at Massachusetts's 30.06¢/kWh residential rate that's $10.16 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 36.6% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.
What a year of driving costs
Massachusetts owners putting 15,000 annual miles on a 2027 Audi S6 e-tron (21 inch wheels) spend about $1,524 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $879 saved annually, at this mileage.
Filling up the 2027 Audi S6 e-tron (21 inch wheels), in dollars
At Massachusetts's rate, fully covering this 2027 Audi S6 e-tron (21 inch wheels)'s 311-mile EPA range costs about $31.59 (105.1 kWh) — the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Audi S6 e-tron (21 inch wheels) in Massachusetts ranks 17,568 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi S6 e-tron (21 inch wheels) ranks 118 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 S6 e-tron (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.
Ask a licensed Massachusetts 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. 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.