Charging a 2027 Audi A6 e-tron ultra at home in Ohio
At Ohio's residential electricity rate of 18.53¢/kWh, a 2027 Audi A6 e-tron ultra (rated 26.5 kWh per 100 miles by the EPA) costs $4.9 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 69.4% cheaper per mile than gasoline in Ohio — charging at home costs a fraction of what gas would here.
What a year of driving costs
Ohio owners putting 15,000 annual miles on a 2027 Audi A6 e-tron ultra spend about $736 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,667 saved annually, at this mileage.
Filling up the 2027 Audi A6 e-tron ultra, in dollars
At Ohio's rate, fully covering this 2027 Audi A6 e-tron ultra's 395-mile EPA range costs about $19.37 (104.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
2027 Audi A6 e-tron ultra in Ohio, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Audi A6 e-tron ultra in Ohio ranks 4,079 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi A6 e-tron ultra ranks 14 of 400 EV models for raw efficiency, and Ohio ranks 34 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 Audi A6 e-tron ultra 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 Ohio 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. At 18.53¢/kWh, Ohio sits in the middle of the national range — the guide to why charging cost varies by state shows where.