Charging a 2027 Audi S e-tron GT (20 inch wheels) at home in Colorado

At Colorado's residential electricity rate of 16.65¢/kWh, a 2027 Audi S e-tron GT (20 inch wheels) (rated 37.6 kWh per 100 miles by the EPA) costs $6.27 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 60.9% cheaper per mile than gasoline in Colorado — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Colorado owners putting 15,000 annual miles on a 2027 Audi S e-tron GT (20 inch wheels) spend about $940 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,463 saved annually, at this mileage.

What one full charge costs

At Colorado's rate, fully covering this 2027 Audi S e-tron GT (20 inch wheels)'s 300-mile EPA range costs about $18.81 (112.9 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 2027 Audi S e-tron GT (20 inch wheels) in Colorado ranks 10,534 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi S e-tron GT (20 inch wheels) ranks 209 of 400 EV models for raw efficiency, and Colorado ranks 30 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.

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

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Colorado's 16.65¢/kWh rate ranks 30 of 51 states; the state rate guide lays out the full spread.