GMC Sierra range & charging cost
The 2026 GMC Sierra is rated for an EPA estimated 283–410 miles. At 70 mph that's closer to 340 miles in mild weather, and about 201 miles at 20°F with the heater on.
All 3 EPA-rated trims
| Trim | Range | City | Hwy | kWh/100 mi | 70 mph, 20°F* | ¢/mile home | 240V charge |
|---|---|---|---|---|---|---|---|
| 2026 SIERRA EV Ext Range (11kW Charger) 4-Wheel Drive | 410 | 446 | 367 | 49.5 | 201 | 906.3 | 18.6 h |
| 2026 SIERRA EV Ext Range (19kW Charger) 4-Wheel Drive | 385 | 412 | 353 | 52.4 | 193 | 959.4 | 11.5 h |
| 2026 SIERRA EV Std Range (11kW Charger) 4-Wheel Drive | 283 | 311 | 249 | 50.3 | 136 | 921.0 | 13.3 h |
Range, consumption and 240V charge time: EPA estimates from fueleconomy.gov (vehicle IDs 49658, 49659, 49660). *Modelled with fueleconomy.gov cold-weather figures and a drag model; see the range calculator for the method. Cost uses EIA U.S. residential 18.3¢/kWh (July 2026); a 30 mpg gas car costs 14.9¢/mile at $4.48/gal.
Road-tripping the GMC Sierra
On the highway, plan legs around 221–238 miles in mild weather: that's charging from about 80% down to 10–15%, the fast part of the curve. In deep winter, shorten that to around 131 miles. The EV trip planner picks real fast chargers along your route for any GMC trim.
Other GMC EVs
Questions drivers ask
What is the range of the 2026 GMC Sierra?
EPA estimates 283–410 miles depending on trim (3 trims listed on fueleconomy.gov). The longest-range version is rated 410 mi combined and 367 mi highway.
How far does the GMC Sierra go on the highway in winter?
Using the EPA highway estimate and fueleconomy.gov’s cold-weather figures, the SIERRA EV Ext Range (11kW Charger) could manage roughly 201 miles at 70 mph and 20°F with the heater on, against about 340 miles at 70 mph in mild weather. It is a model estimate; heat pumps and preconditioning improve it.
How much does it cost to charge the GMC Sierra?
At the U.S. average home price of 18.3¢/kWh (EIA, July 2026), a full charge of the SIERRA EV Ext Range (11kW Charger) costs about $37.23, or 906.3¢ per mile.
What size battery does the GMC Sierra have?
EPA does not publish battery capacity. From EPA range and consumption we estimate about 183 kWh usable for the SIERRA EV Ext Range (11kW Charger); check the manufacturer’s specification for the exact figure.