# 2026 GMC Sierra HD

- Vehicle id: `2026_gmc_sierra-hd`
- Vehicle type: Truck, Incomplete Vehicle

## Trims

- AT4: 4WD
- AT4X: 4WD
- Denali
- Denali Ultimate: 4WD
- Elevation
- Elevation\-L: 4WD
- Pro
- SLE
- SLT

## Engines

- 6.6L (eighth VIN character 7)
- 6.6L Turbo V8 Diesel (eighth VIN character Y)

## Other years

[2027](/makes/gmc/sierra-hd/2027.md) [2025](/makes/gmc/sierra-hd/2025.md) [2024](/makes/gmc/sierra-hd/2024.md) [2023](/makes/gmc/sierra-hd/2023.md) [2022](/makes/gmc/sierra-hd/2022.md) [2019](/makes/gmc/sierra-hd/2019.md)

JSON: [/v1/vehicles/2026_gmc_sierra-hd](/v1/vehicles/2026_gmc_sierra-hd)