The engine types may include 4.3L 262Cu. V6 GAS OHV Naturally Aspirated,4.8L 294Cu. V8 GAS OHV Naturally Aspirated,5.3L 5328CC 325Cu. V8 FLEX OHV Naturally Aspirated,5.3 L 5328CC 325Cu. V8 FULL HYBRID EV-GAS (FHEV) OHV Naturally Aspirated,5.3L 5328CC 325Cu.
