Charging a 2026 Audi Q4 Sportback 55 e-tron quattro at home in Washington
At Washington's residential electricity rate of 14.35¢/kWh, a 2026 Audi Q4 Sportback 55 e-tron quattro (rated 34.6 kWh per 100 miles by the EPA) costs $4.97 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% 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 2026 Audi Q4 Sportback 55 e-tron quattro spend about $745 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,658 saved annually, at this mileage.
What one full charge costs
At Washington's rate, fully covering this 2026 Audi Q4 Sportback 55 e-tron quattro's 251-mile EPA range costs about $12.47 (86.9 kWh) — the energy the EPA test actually used, not the battery's rated size.
2026 Audi Q4 Sportback 55 e-tron quattro in Washington, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Audi Q4 Sportback 55 e-tron quattro in Washington ranks 4,416 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi Q4 Sportback 55 e-tron quattro ranks 141 of 400 EV models for raw efficiency, and Washington ranks 15 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Audi Q4 Sportback 55 e-tron quattro 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.
Get quotes from local electricians for Level 2 charger installation in Washington before deciding.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.