4WD Crew Cab Standard Box Denali - The vehicle comes with a 6.6L V8 gas engine producing 401 horsepower and 464 lb-ft of torque, or a Duramax 6.6L diesel turbo V8 engine producing 445hp and 910ft. lbs. of torque. Transmission*: The truck features an 6-speed or 10-speed automatic transmission, depending on the model. - *Drivetrain*: The vehicle has a four-wheel-drive system, providing stability and control on various road surfaces. Towing Capacity The truck has a maximum towing capacity of up to 20,000 pounds. Â Weight Information The vehicle's curb weight is around 6,870 pounds, with a maximum payload capacity of 4,328 pounds. - *Safety Features*: The truck features advanced safety technologies like lane departure warning, forward collision alert, and trailer brake controls. - *Interior*: Enjoy premium amenities like perforated leather seats, heated and ventilated seats, and advanced technology features like a heads-up display and navigation.