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

In Massachusetts, home electricity runs 30.06¢/kWh — put a 2026 Audi Q4 45 e-tron's EPA-rated 29.4 kWh/100mi against that and 100 miles costs $8.84, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 44.8% cheaper per mile than gasoline in Massachusetts — charging at home is much cheaper than gas here.

What a year of driving costs

Massachusetts owners putting 15,000 annual miles on a 2026 Audi Q4 45 e-tron spend about $1,326 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,077 saved annually, at this mileage.

What one full charge costs

At Massachusetts's rate, fully covering this 2026 Audi Q4 45 e-tron's 288-mile EPA range costs about $25.46 (84.7 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 45 e-tron in Massachusetts ranks 16,189 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 Massachusetts ranks 49 of 51 for cheapest residential electricity.

Before you install a home charger in Massachusetts

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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Audi Q4 45 e-tron's cost in Massachusetts. Massachusetts 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.