Engines and modifications Silverado 1500 III Regular Cab

5.3 V8 EcoTec3 (355 Hp) Automatic

5.3 V8 EcoTec3 (355 Hp) 4WD Automatic

4.3 V6 EcoTec3 (285 Hp) Automatic

4.3 V6 EcoTec3 (285 Hp) 4WD Automatic