GMC Sierra specifications
Pick a generation and version to see the full technical data.
Generation 1 (GMT800) (1998–2007)
5.3 Automatic 4WD (288 hp)4.3 Manual 4WD (200 hp)4.3 Automatic 4WD (200 hp)5.3 Automatic 4WD (288 hp)5.3 Manual 4WD (288 hp)5.3 Manual 4WD (288 hp)5.3 Automatic 4WD (288 hp)6.0 Manual 4WD (323 hp)6.0 Automatic 4WD (323 hp)4.3 Automatic 4WD (200 hp)4.3 Manual 4WD (200 hp)4.8 Manual (273 hp)4.8 Manual 4WD (273 hp)4.8 Automatic (273 hp)4.8 Automatic 4WD (273 hp)5.3 Manual 4WD (288 hp)
Generation 1 (2002–2020)
Generation 2 (GMT900) (2006–2014)
Generation 3 (K2XX) (2013–2015)
Generation 3 (K2XX) Facelift (2015–2018)
Generation 4 (2018–2022)
6.2 Automatic 4WD (420 hp)5.3 Automatic 4WD (355 hp)6.2 Automatic 4WD (420 hp)3.0 Automatic (277 hp)3.0 Automatic 4WD (277 hp)2.7 Automatic 4WD (310 hp)4.3 Automatic (285 hp)4.3 Automatic 4WD (285 hp)5.3 Automatic (355 hp)5.3 Automatic 4WD (355 hp)4.3 Automatic (285 hp)3.0 Automatic 4WD (277 hp)6.2 Automatic AWD (420 hp)6.2 Automatic AWD (420 hp)6.2 Automatic AWD (420 hp)2.7 Automatic 4WD (310 hp)5.3 Automatic 4WD (355 hp)5.3 Automatic (355 hp)4.3 Automatic 4WD (285 hp)2.7 Automatic 4WD (310 hp)2.7 Automatic (310 hp)4.3 Automatic 4WD (285 hp)6.2 Automatic 4WD (420 hp)3.0 Automatic 4WD (277 hp)
Generation 4 Facelift (2022–2026)
2.7 Automatic AWD (310 hp)2.7 Automatic RWD (310 hp)2.7 Automatic RWD (310 hp)5.3 Automatic AWD (355 hp)5.3 Automatic RWD (355 hp)6.2 Automatic AWD (420 hp)5.3 Automatic AWD (355 hp)5.3 Automatic RWD (355 hp)2.7 Automatic RWD (310 hp)2.7 Automatic AWD (310 hp)Automatic AWD (754 hp)Automatic AWD (760 hp)Automatic AWD (645 hp)3.0 Automatic 4WD (305 hp)3.0 Automatic 4WD (277 hp)3.0 Automatic (277 hp)6.2 Automatic 4WD (420 hp)5.3 Automatic 4WD (355 hp)2.7 Automatic 4WD (310 hp)2.7 Automatic (310 hp)5.3 Automatic 4WD (355 hp)5.3 Automatic (355 hp)2.7 Automatic 4WD (310 hp)
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Look up the number plate and see that car’s data from the Motor Register.