Your Complete Automotive Data Resource
Complete technical specifications and features for the 2018 GMC Convertible.
| Engine Type | Electric |
| Horsepower | 501 HP |
| Torque | 362 lb-ft |
| Transmission | CVT |
| Drivetrain | AWD |
| Towing Capacity | 10483 lbs |
| City MPG | 20 |
| Highway MPG | 26 |
| Combined MPG | 23.0 |
| Fuel Tank Capacity | gallons |
| Length | 179.9" |
| Width | 65.5" |
| Height | 65.7" |
| Wheelbase | 128.8" |
| Ground Clearance | 6.8" |
| Curb Weight | 6133 lbs |
| Seating Capacity | 5 passengers |
| Cargo Volume | cu ft |
| Vehicle Type | SUV |