3.42 ratio (Included and only available with (L3B) 2.7L Turbo engine or (NHT) Max Trailering Package.)
Pickup bed
GVWR
7000 lbs. (3175 kg) (Requires Crew Cab or Double Cab 4WD model and (L3B) 2.7L Turbo engine. Requires Crew Cab 2WD model and (LM2) Duramax 3.0L Turbo-Diesel I6 engine. Requires Double Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine without (NHT) Max Trailering Package.)