Charging a 2027 Audi A6 e-tron ultra at home in Colorado

In Colorado, home electricity runs 16.65¢/kWh — put a 2027 Audi A6 e-tron ultra's EPA-rated 26.5 kWh/100mi against that and 100 miles costs $4.41, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 72.5% cheaper per mile than gasoline in Colorado — charging at home costs a fraction of what gas would here.

What a year of driving costs

Colorado owners putting 15,000 annual miles on a 2027 Audi A6 e-tron ultra spend about $661 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,742 saved annually, at this mileage.

What one full charge costs

At Colorado's rate, fully covering this 2027 Audi A6 e-tron ultra's 395-mile EPA range costs about $17.4 (104.5 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 A6 e-tron ultra in Colorado ranks 2,051 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi A6 e-tron ultra ranks 14 of 400 EV models for raw efficiency, and Colorado ranks 30 of 51 for cheapest residential electricity.

Before you install a home charger in Colorado

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 Colorado 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. Curious how Colorado's 16.65¢/kWh compares? The guide to charging cost by state ranks every state side by side.