Engines and modifications V (GMTT1XX) Double Cab

AT4 3.0 Duramax TD (277 Hp) 4WD Automatic

5.3 V8 (355 Hp) Automatic

5.3 V8 (355 Hp) 8 Automatic

5.3 V8 (355 Hp) 4WD Automatic

5.3 V8 (355 Hp) 4WD 10 Automatic

4.3 V6 (285 Hp) Automatic

4.3 V6 (285 Hp) 4WD Automatic

3.0 Duramax TD (277 Hp) Automatic