2027 Audi A6 e-tron ultra: home charging cost in Iowa
At Iowa's residential electricity rate of 13.77¢/kWh, a 2027 Audi A6 e-tron ultra (rated 26.5 kWh per 100 miles by the EPA) costs $3.64 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: 77.3% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Audi A6 e-tron ultra charged at home in Iowa costs about $547/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,856 a year.
Filling up the 2027 Audi A6 e-tron ultra, in dollars
A 2027 Audi A6 e-tron ultra needs roughly 104.5 kWh to reach its EPA-rated 395-mile range, which runs about $14.39 at 13.77¢/kWh in Iowa.
Where this ranks
This combination ranks 298 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; Iowa alone ranks 9 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.
Line up a few Iowa 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. At 13.77¢/kWh, Iowa sits in the middle of the national range — the guide to why charging cost varies by state shows where.