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,5.3L 5328CC 325Cu. V8 FULL HYBRID EV-GAS (FHEV) OHV Naturally Aspirated,5.3L 5328CC 325Cu.
