Charging a 2026 Rivian R1T All-Terrain Tri Max (20in) at home in Colorado

At Colorado's residential electricity rate of 16.65¢/kWh, a 2026 Rivian R1T All-Terrain Tri Max (20in) (rated 49.8 kWh per 100 miles by the EPA) costs $8.3 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 48.2% 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 Rivian R1T All-Terrain Tri Max (20in) spend about $1,245 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,158 saved annually, at this mileage.

Filling up the 2026 Rivian R1T All-Terrain Tri Max (20in), in dollars

At Colorado's rate, fully covering this 2026 Rivian R1T All-Terrain Tri Max (20in)'s 329-mile EPA range costs about $27.3 (164 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T All-Terrain Tri Max (20in) in Colorado ranks 15,492 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T All-Terrain Tri Max (20in) ranks 389 of 400 EV models for raw efficiency, and Colorado ranks 30 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1T All-Terrain Tri Max (20in) at home

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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T All-Terrain Tri Max (20in)'s cost in Colorado. At 16.65¢/kWh, Colorado sits in the middle of the national range — the guide to why charging cost varies by state shows where.