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4.8 i V8 16V (295 Hp) Automatic 5.3 i V8 16V (320 Hp) Automatic 6.0 V8 16V (332 Hp) Hybrid 4WD Automatic 6.0 V8 16V (332 Hp) Hybrid Automatic Denali 6.2 i V8 16V (380 Hp) Automatic Denali 6.2 i V8 16V (403 Hp) FlexFuel Automatic