Requires 2WD Denali Crew Cab Short Bed with 5.3L V-8 fuel engine. Requires 4WD Double Cab with available 6.2L V8 and Max Trailering Package. Requires Sierra 3500 HD Regular Cab Long Bed 2WD DRW with obtainable Duramax 6.6L Turbo-Diesel V8, Max Trailering Package and gooseneck hitch. Before you buy a automobile or use it for […]