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4.3 V6 EcoTec3 (285 Hp) 4WD Automatic 4.3 V6 EcoTec3 (285 Hp) Automatic 5.3 V8 EcoTec3 (355 Hp) 4WD Automatic 5.3 V8 EcoTec3 (355 Hp) Automatic 6.2 V8 EcoTec3 (420 Hp) 4WD Automatic 6.2 V8 EcoTec3 (420 Hp) Automatic
