4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated 10 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated 11 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated 11 6.5L 395Cu. In. V8 DIESEL OHV Turbocharged 13