Charging a 2027 Audi RS e-tron GT Performance at home in Idaho

In Idaho, home electricity runs 12.8¢/kWh — put a 2027 Audi RS e-tron GT Performance's EPA-rated 40.2 kWh/100mi against that and 100 miles costs $5.14, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 67.9% cheaper per mile than gasoline in Idaho — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Idaho owners putting 15,000 annual miles on a 2027 Audi RS e-tron GT Performance spend about $771 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,632 saved annually, at this mileage.

What one full charge costs

At Idaho's rate, fully covering this 2027 Audi RS e-tron GT Performance's 278-mile EPA range costs about $14.3 (111.7 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 2027 Audi RS e-tron GT Performance in Idaho ranks 5,178 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi RS e-tron GT Performance ranks 272 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Before you install a home charger in Idaho

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 Idaho before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Audi RS e-tron GT Performance's cost in Idaho. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.