Engines and modifications Sierra 1500 I (GMT400) Regular cab LWB Wideside

6.2 diesel V8 (140 Hp) Automatic

6.2 diesel V8 (140 Hp) 4WD Automatic

6.2 diesel V8 (135 Hp) 4WD

6.2 diesel V8 (135 Hp)

6.2 diesel V8 (126 Hp) 4WD

6.2 diesel V8 (126 Hp)

5.7 V8 (210 Hp) Automatic

5.7 V8 (210 Hp) 4WD Automatic

5.7 V8 (210 Hp)

5.0 V8 (175 Hp) Automatic

5.0 V8 (175 Hp) 4WD Automatic

5.0 V8 (175 Hp) 4WD

5.0 V8 (175 Hp)

4.3 V6 (160 Hp) Automatic

4.3 V6 (160 Hp) 4WD Automatic

4.3 V6 (160 Hp)