2027 Audi A6 e-tron ultra: home charging cost in Tennessee
A 2027 Audi A6 e-tron ultra draws 26.5 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $3.68 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 77% less than gas per mile, here specifically.
2027 Audi A6 e-tron ultra: yearly cost in Tennessee
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Audi A6 e-tron ultra charged at home in Tennessee costs about $552/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,851 a year.
Cost of a full charge
A 2027 Audi A6 e-tron ultra needs roughly 104.5 kWh to reach its EPA-rated 395-mile range, which runs about $14.53 at 13.9¢/kWh in Tennessee.
How this compares nationally
This combination ranks 372 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi A6 e-tron ultra alone ranks 14 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.
Next step: home charger installation
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.