What it costs to charge a 2026 Audi Q4 55 e-tron quattro in Tennessee

A 2026 Audi Q4 55 e-tron quattro draws 34.6 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $4.81 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 70% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Audi Q4 55 e-tron quattro in Tennessee runs about $722 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,681 saved annually, at this mileage.

Filling up the 2026 Audi Q4 55 e-tron quattro, in dollars

$12.08 — that's what Tennessee's 13.9¢/kWh rate puts on the 86.9 kWh a 2026 Audi Q4 55 e-tron quattro needs for its full 251-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Audi Q4 55 e-tron quattro in Tennessee ranks 3,658 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi Q4 55 e-tron quattro ranks 140 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Before you install a home charger in Tennessee

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 Tennessee electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Audi Q4 55 e-tron quattro's cost in Tennessee. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.