GMC Sierra EV 20-mod battery, 19kW 15-mode charger: MPG and fuel economy by year
The EPA has rated the GMC Sierra EV 20-mod battery, 19kW 15-mode charger for one model year, the 2026 GMC Sierra EV 20-mod battery, 19kW 15-mode charger. The most recent 2026 GMC Sierra EV 20-mod battery, 19kW 15-mode charger returns 64 combined MPG.
Pick a year below to open the full GMC Sierra EV 20-mod battery, 19kW 15-mode charger page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the GMC Sierra EV 20-mod battery, 19kW 15-mode charger. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 GMC Sierra EV 20-mod battery, 19kW 15-mode charger | 64 MPG | 69 MPG | 59 MPG | $1,200 |
How the GMC Sierra EV 20-mod battery, 19kW 15-mode charger compares against the Standard Pickup Trucks 4WD class
Buyers usually compare the GMC Sierra EV 20-mod battery, 19kW 15-mode charger against other cars in the same EPA class. The list below shows the most efficient cars in the Standard Pickup Trucks 4WD class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.