Capless Fuel Fill
Exhaust, dual with polished outlets
Engine, 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring available Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency
Transmission, 10-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Included and only available with 4WD models, (LM2) Duramax 3.0L Turbo-Diesel I6 engine or (L87) 6.2L EcoTec3 V8 engine. Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.)
Rear axle, 3.23 ratio
Durabed, pickup bed
GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine without (NHT) Max Trailering Package.)
Automatic Stop/Start (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content. See dealer for details.)
Transfer case, two-speed electronic Autotrac with push button control (4WD models only)
Auto-locking rear differential
Four wheel drive
Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine or (NHT) Max Trailering Package.)
Trailer brake controller, integrated
Advanced Trailering System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module
Frame, fully-boxed, hydroformed front section
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Brake lining wear indicator