2.7 Liter Turbocharged DOHC 16-Valve VVT 4 Cylinder
3.0 Liter DOHC 24-Valve Duramax Turbo-Diesel Inline 6 Cylinder
5.3 Liter DI OHV 16-Valve VVT V8
6.2 Liter DI OHV 16-Valve VVT V8