Charging a 2026 Audi Q4 45 e-tron at home in Michigan

A 2026 Audi Q4 45 e-tron draws 29.4 kWh per 100 miles per the EPA; at Michigan's 21.14¢/kWh residential rate that's $6.22 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 61.2% cheaper per mile than gasoline in Michigan — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Michigan owners putting 15,000 annual miles on a 2026 Audi Q4 45 e-tron spend about $932 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,471 saved annually, at this mileage.

Cost of a full charge

At Michigan's rate, fully covering this 2026 Audi Q4 45 e-tron's 288-mile EPA range costs about $17.9 (84.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Audi Q4 45 e-tron in Michigan ranks 10,401 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi Q4 45 e-tron ranks 48 of 400 EV models for raw efficiency, and Michigan ranks 38 of 51 for cheapest residential electricity.

Before you install a home charger in Michigan

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.

Get quotes from local electricians for Level 2 charger installation in Michigan before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Michigan's 21.14¢/kWh rate ranks 38 of 51 states; the state rate guide lays out the full spread.