$37.40full charge
The Sierra EV Max Range Denali4WD (200 kWh) costs about $37.40 to charge fully at Colorado's average home rate of 17.00¢/kWh, including ~10% charging loss (220 kWh from the wall). That is $7.82 per 100 miles.
EIA residential average, Colorado, 2026-07 (latest in this book). EIA weekly retail regular, Colorado, week of Oct 5, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $78.24 and the gas car costs $134.00. The EV saves $55.76 a month at $4.020/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time to 80% is 50 minutes at up to 350 kW. A full home charge is a different session. This page prices the energy from the wall, not how long a Level 2 charger takes.
This page uses the residential rate. Public fast-charging prices are a separate scenario and are not included.