Truck bed dimensions for a GMC are varied because the company produces different types of models. Here are some models that will give you an idea of the trucks the company produces.
The cargo box (area) height is 18.6 in while the length is 72.8 in. The width at floor is 57.2 in and the width at wheelhousings is 42.6 in. The maximum volume cargo is 42.6 in. The tailgate is 52.4 in, the cab to axle distance is 34.2 in and front bumper to back of cab it is 110.9 in.
The 4WD is 65.2 in high and 192.4 in long. The front overhang is 33.9 in. 4 and 5-speed transmission is available as well as automatic refer differential. Other available features are a transfer case, Stabilitrak, tire pressure monitors and air bags.
Sierra 1500 Specifications
Truck bed dimensions for a GMC Sierra SLE differs from the Canyon. The cargo height is 21.0 in. The box width is 62.4 in at floor while the length is 78.7 in at floor. The volume of the cargo is 60.7 ft3 and the distance from cab to axle is 41.5 in. From the front bumper to back of cab it is 141.4 in. The ground clearance is 11.8 in at the back and 8.9 in up front. The Sierra 1500 is 73.7 in high and 230.2 in long.
The overhang front is 39.4 in. The wheelbase is 143.5 in. It can seat up to six people. The work truck version has Vortec 5.3L V8 SFI FlexFuel engine, heavy duty suspension, power adjustable mirrors and chrome styled aluminum wheels. The steering wheel is leather strapped. A CD/mp3 player is built-in.
The 3500HD cargo box is 21.0 in high, 97.8 in long and 62.5 in wide at the floor. The cargo volume capacity is 75.5 ft3. The truck is 95.9 in wide without mirrors. The wheelbase is 167.7 in. The Height is 77.9 in and the length is 259.1 in minus the rear bumper.
Like the other trucks in the GMC line, it has standard and optional equipment. These features include auto locking rear differential, a heavy duty trailering package and front split bench seats.
Truck bed dimensions for a GMC have to be studied first. There are many variants and they have many different specifications. Before you buy, check if the features stated are standard or available as an add-on feature.