2027 Audi A6 e-tron quattro ultra: home charging cost in Wisconsin

At Wisconsin's residential electricity rate of 18.99¢/kWh, a 2027 Audi A6 e-tron quattro ultra (rated 28.7 kWh per 100 miles by the EPA) costs $5.46 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. Charging at home costs a fraction of what gas would here: 65.9% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Audi A6 e-tron quattro ultra charged at home in Wisconsin costs about $819/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,584 a year.

What one full charge costs

A 2027 Audi A6 e-tron quattro ultra needs roughly 103.5 kWh to reach its EPA-rated 360-mile range, which runs about $19.65 at 18.99¢/kWh in Wisconsin.

2027 Audi A6 e-tron quattro ultra in Wisconsin, ranked

This combination ranks 6,818 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi A6 e-tron quattro ultra alone ranks 33 of 400 models for efficiency; Wisconsin alone ranks 35 of 51 states for electricity price.

Before you install a home charger in Wisconsin

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.

Line up a few Wisconsin electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Wisconsin's 18.99¢/kWh rate ranks 35 of 51 states; the state rate guide lays out the full spread.