GMC Sierra HD (2500 / 3500) K2XX HD
K2XX-HD 2015 – 2019 pickup 3 engines
Engines
| Engine | Code | Fuel | cc | kW | hp | Nm | Years | ECU / TCU | Stage 1 |
|---|---|---|---|---|---|---|---|---|---|
| 6.6 Duramax LML 397 | LML | Diesel | 6 599 | 296 | 397 | 1037 | 2015 – 2016 | 480 hp · 1200 Nm | |
| 6.6 Duramax L5P 445 | L5P | Diesel | 6 599 | 332 | 445 | 1234 | 2017 – 2019 | 520 hp · 1400 Nm | |
| 6.0 V8 Vortec 360 | L96 | Petrol | 5 967 | 268 | 360 | 515 | 2015 – 2019 | — |
Figures are typical factory values; the ECU/TCU depends on the exact production date and market. Always identify the unit from the original read before ordering.