Charging a 2027 Audi A6 e-tron ultra at home in North Carolina
At North Carolina's residential electricity rate of 14.9¢/kWh, a 2027 Audi A6 e-tron ultra (rated 26.5 kWh per 100 miles by the EPA) costs $3.94 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 75.4% cheaper per mile than gasoline in North Carolina — charging at home costs a fraction of what gas would here.
What a year of driving costs
North Carolina owners putting 15,000 annual miles on a 2027 Audi A6 e-tron ultra spend about $591 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,811 saved annually, at this mileage.
What one full charge costs
At North Carolina's rate, fully covering this 2027 Audi A6 e-tron ultra's 395-mile EPA range costs about $15.57 (104.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
2027 Audi A6 e-tron ultra in North Carolina, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Audi A6 e-tron ultra in North Carolina ranks 802 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 North Carolina ranks 18 of 51 for cheapest residential electricity.
Before you install a home charger in North Carolina
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 North Carolina electrician quotes for Level 2 install before you commit either way.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 14.9¢/kWh, North Carolina sits in the middle of the national range — the guide to why charging cost varies by state shows where.