| Differential: automatic locking rear |
Optional |
Optional |
Optional |
Standard |
| Engine: Vortec 4.3L V6 with 195 hp and 260 lb.-ft. of torque |
Standard |
Not Available |
Not Available |
Not Available |
| Engine: Vortec 4.8L V8 with 295 hp and 305 lb.-ft. of torque |
Optional |
Standard |
Standard |
Not Available |
| Engines: Vortec 5.3L (iron- or aluminum-block7) V8s with 315 hp and 338 lb.-ft. of torque |
Optional |
Not Available |
Optional |
Standard |
| Engines: Vortec FlexFuel8 5.3L (iron- or aluminum-block7) V8s with 315 hp or 338 lb.-ft. of torque9 |
Optional |
Not Available |
Optional |
Optional |
| Engine: Vortec 6.0L V8 with 367 hp and 375 lb.-ft. of torque9 |
Not Available |
Not Available |
Not Available |
Optional10 |
| Engine: Vortec FlexFuel8 6.2L V8 with 403 hp and 417 lb.-ft. of torque |
Not Available |
Optional |
Standard |
Standard |
| MAX Trailering Pack: Automatic locking rear differential, Handling/Trailering suspension, 9.5-inch rear axle, front and rear disc brakes, and heavy-duty trailering equipment11 |
Not Available |
Not Available |
Optional |
Optional |
| Skid Plate Package: frame-mounted shield protecting front underbody, oil pan, differential case and transfer case on 4x4 models12 |
Optional |
Optional |
Optional |
Optional |
| Snow Plow Prep Package: includes 160-amp alternator, high-flow front bumper and electrical relays (Regular Cab 4x4 models only) |
Optional |
Not Available |
Optional |
Not Available |
| Suspension: Z60 High-Performance13 |
Not Available |
Not Available |
Optional |
Optional |
| Suspension Package, Z71 Off-Road: 46mm shock absorbers off-road jounce bumpers and stabilizer bars, Skid Plate Package, and Z71 decals on rear-quarter panels |
Not Available |
Not Available |
Optional |
Optional |
| Trailering equipment, heavy-duty: trailer hitch platform, seven-pin wire connector, auxiliary transmission oil cooler and trailer brake control harness under dash |
Optional14 |
Optional14 |
Optional |
Standard |
| Transfer case: Autotrac active (4x4 models only) |
Not Available |
Not Available |
Standard |
Standard |
| Transfer case: floor-mounted, manual shift-on-the-fly (4x4 models only) |
Standard |
Standard |
Not Available |
Not Available |
| Transmission: Hydra-Matic, four-speed automatic, electronically controlled with overdrive |
Standard |
Standard |
Standard |
Standard |
| Transmission: Hydra-Matic, six-speed automatic, electronically controlled with overdrive15 |
Not Available |
Not Available |
Optional |
Optional |