Charging a 2027 Audi A6 e-tron at home in Washington

In Washington, home electricity runs 14.35¢/kWh — put a 2027 Audi A6 e-tron's EPA-rated 30.3 kWh/100mi against that and 100 miles costs $4.35, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 72.8% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Washington owners putting 15,000 annual miles on a 2027 Audi A6 e-tron spend about $653 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,750 saved annually, at this mileage.

Filling up the 2027 Audi A6 e-tron, in dollars

At Washington's rate, fully covering this 2027 Audi A6 e-tron's 348-mile EPA range costs about $15.15 (105.6 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 A6 e-tron in Washington ranks 1,949 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi A6 e-tron ranks 65 of 400 EV models for raw efficiency, and Washington ranks 15 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 Washington electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Washington's 14.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.