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

5.7 V8 (210 Hp) Automatic

5.7 V8 (210 Hp) 4WD Automatic

5.7 V8 (210 Hp) 4WD

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) 4WD Automatic

4.3 V6 (160 Hp) 4WD

4.3 V6 (160 Hp)