| 2020 GMC | 2020 Chevrolet | 2020 Cadillac | |
|---|---|---|---|
| New-vehicle warranty | 3 years/36,000 miles | 3 years/36,000 miles | 4 years/50,000 miles |
| Powertrain warranty | 5 years/60,000 miles | 5 years/60,000 miles | 6 years/70,000 miles |
| Powertrain warranty (diesel engines) | 5 years/100,000 miles | 5 years/100,000 miles | NA* |
| Roadside assistance and courtesy transportation | 5 years/60,000 miles | 5 years/60,000 miles | 6 years/70,000 miles |