Your Complete Automotive Data Resource
Complete technical specifications and features for the 2021 GMC Sedan.
| Engine Type | Electric |
| Horsepower | 599 HP |
| Torque | 463 lb-ft |
| Transmission | CVT |
| Drivetrain | FWD |
| Towing Capacity | 550 lbs |
| City MPG | 27 |
| Highway MPG | 37 |
| Combined MPG | 32.0 |
| Fuel Tank Capacity | gallons |
| Length | 170.8" |
| Width | 84.9" |
| Height | 62.1" |
| Wheelbase | 136.6" |
| Ground Clearance | 12.0" |
| Curb Weight | 4953 lbs |
| Seating Capacity | 7 passengers |
| Cargo Volume | cu ft |
| Vehicle Type | Convertible |