Charging a 2027 Audi S6 e-tron (21 inch wheels) at home in Washington
At Washington's residential electricity rate of 14.35¢/kWh, a 2027 Audi S6 e-tron (21 inch wheels) (rated 33.8 kWh per 100 miles by the EPA) costs $4.85 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 69.7% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.
What a year of driving costs
Washington owners putting 15,000 annual miles on a 2027 Audi S6 e-tron (21 inch wheels) spend about $727 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,676 saved annually, at this mileage.
Filling up the 2027 Audi S6 e-tron (21 inch wheels), in dollars
At Washington's rate, fully covering this 2027 Audi S6 e-tron (21 inch wheels)'s 311-mile EPA range costs about $15.08 (105.1 kWh) — the energy the EPA test actually used, not the battery's rated size.
2027 Audi S6 e-tron (21 inch wheels) in Washington, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Audi S6 e-tron (21 inch wheels) in Washington ranks 3,869 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 Washington ranks 15 of 51 for cheapest residential electricity.
Before you install a home charger in Washington
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 Washington 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. Curious how Washington's 14.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.