Charging a 2026 Audi Q4 55 e-tron quattro at home in Michigan

At Michigan's residential electricity rate of 21.14¢/kWh, a 2026 Audi Q4 55 e-tron quattro (rated 34.6 kWh per 100 miles by the EPA) costs $7.32 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 54.3% cheaper per mile than gasoline in Michigan — charging at home is much cheaper than gas here.

What a year of driving costs

Michigan owners putting 15,000 annual miles on a 2026 Audi Q4 55 e-tron quattro spend about $1,098 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,305 saved annually, at this mileage.

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

At Michigan's rate, fully covering this 2026 Audi Q4 55 e-tron quattro's 251-mile EPA range costs about $18.37 (86.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Audi Q4 55 e-tron quattro in Michigan ranks 13,816 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 Michigan ranks 38 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Ask a licensed Michigan electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 21.14¢/kWh, Michigan sits in the middle of the national range — the guide to why charging cost varies by state shows where.