| 2026 |
GMC |
Sierra 2500 HD |
AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2025 |
GMC |
Sierra 2500 HD |
AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2025 |
GMC |
Sierra 3500 HD |
AT4, Denali, Denali Ultimate, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2024 |
GMC |
Sierra 2500 HD |
AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2024 |
GMC |
Sierra 3500 HD |
AT4, Denali, Denali Ultimate, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2023 |
GMC |
Sierra 2500 HD |
AT4, Denali, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2023 |
GMC |
Sierra 3500 HD |
AT4, Denali, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2022 |
GMC |
Sierra 2500 HD |
AT4, Denali, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2022 |
GMC |
Sierra 3500 HD |
AT4, Denali, Pro, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2021 |
GMC |
Sierra 2500 HD |
AT4, Base, Denali, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2021 |
GMC |
Sierra 3500 HD |
AT4, Base, Denali, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Flex, 6.6L V8 Gas |
| 2020 |
GMC |
Sierra 2500 HD |
AT4, Base, Denali, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Gas |
| 2020 |
GMC |
Sierra 3500 HD |
AT4, Base, Denali, SLE, SLT | 6.6L V8 Diesel, 6.6L V8 Gas |