Charging a 2026 GMC SIERRA EV Ext Range (19kW Charger) at home in Colorado

A 2026 GMC SIERRA EV Ext Range (19kW Charger) draws 52.4 kWh per 100 miles per the EPA; at Colorado's 16.65¢/kWh residential rate that's $8.73 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 45.5% cheaper per mile than gasoline in Colorado — charging at home is much cheaper than gas here.

What a year of driving costs

Colorado owners putting 15,000 annual miles on a 2026 GMC SIERRA EV Ext Range (19kW Charger) spend about $1,309 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,094 saved annually, at this mileage.

What one full charge costs

At Colorado's rate, fully covering this 2026 GMC SIERRA EV Ext Range (19kW Charger)'s 385-mile EPA range costs about $33.6 (201.8 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 GMC SIERRA EV Ext Range (19kW Charger) in Colorado ranks 16,067 for cost savings versus gas — 1 being the best deal nationally. Separately, the GMC SIERRA EV Ext Range (19kW Charger) ranks 397 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.