Engine The 6.6L DuraMax Turbo-Diesel V8 engine produces 445 horsepower and 910 lb-ft of torque. Towing capacity The Silverado 2500 HD Diesel LTZ has a towing capacity of up to 18,510 lbs. Payload capacity The Silverado 2500 HD Diesel LTZ has a maximum payload capacity of 3,900 lbs. Cargo volume The Silverado 2500 HD Diesel LTZ has a maximum cargo volume of 83.5 cu. ft. Features The Silverado 2500 HD Diesel LTZ includes heated/cooled leather power front seats, a heated leather steering wheel, dual-zone automatic climate control, remote start, keyless access/ignition, and an 8-inch touchscreen. Style The Silverado 2500 HD Diesel LTZ has a black grille bar, matching bumpers, LED lighting, fog lamps, heated power-folding mirrors, and a suroof. Safety The Silverado 2500 HD Diesel LTZ has a variety of safety features, including blind-spot monitoring, rear cross-traffic alert, forward collision warning, and front automatic emergency braking.