Your Complete Automotive Data Resource
Complete technical specifications and features for the 2020 GMC Convertible.
| Engine Type | V8 |
| Horsepower | 529 HP |
| Torque | 176 lb-ft |
| Transmission | 8-Speed Automatic |
| Drivetrain | 4WD |
| Towing Capacity | 9728 lbs |
| City MPG | 44 |
| Highway MPG | 58 |
| Combined MPG | 51.0 |
| Fuel Tank Capacity | gallons |
| Length | 227.6" |
| Width | 69.7" |
| Height | 64.1" |
| Wheelbase | 137.8" |
| Ground Clearance | 6.4" |
| Curb Weight | 3183 lbs |
| Seating Capacity | 4 passengers |
| Cargo Volume | cu ft |
| Vehicle Type | Sedan |