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

A 2026 Audi Q4 45 e-tron draws 29.4 kWh per 100 miles per the EPA; at Maine's 29.67¢/kWh residential rate that's $8.72 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 45.5% cheaper per mile than gasoline in Maine — charging at home is much cheaper than gas here.

What a year of driving costs

Maine owners putting 15,000 annual miles on a 2026 Audi Q4 45 e-tron spend about $1,309 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,094 saved annually, at this mileage.

What one full charge costs

At Maine's rate, fully covering this 2026 Audi Q4 45 e-tron's 288-mile EPA range costs about $25.12 (84.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Audi Q4 45 e-tron in Maine, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Audi Q4 45 e-tron in Maine ranks 16,071 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 Maine ranks 48 of 51 for cheapest residential electricity.

Before you install a home charger in Maine

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 Maine before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Maine has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.