Charging a 2027 Audi SQ6 e-tron (21 inch Tires) at home in Montana

A 2027 Audi SQ6 e-tron (21 inch Tires) draws 39.7 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $5.46 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 65.9% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

What a year of driving costs

Montana owners putting 15,000 annual miles on a 2027 Audi SQ6 e-tron (21 inch Tires) spend about $819 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,584 saved annually, at this mileage.

What one full charge costs

At Montana's rate, fully covering this 2027 Audi SQ6 e-tron (21 inch Tires)'s 264-mile EPA range costs about $14.42 (104.7 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 SQ6 e-tron (21 inch Tires) in Montana ranks 6,766 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi SQ6 e-tron (21 inch Tires) ranks 255 of 400 EV models for raw efficiency, and Montana ranks 10 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.

Ask a licensed Montana electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.