2015 Chevrolet Silverado 3500 HD III (K2XX) Crew Cab Long Box Dimensions, Size & Specs

The 2015 Silverado 3500 HD Crew Cab Long Box stands between 1975 mm to 1983 mm tall (77.8 to 78.1 inches). It offers a ground clearance of 210 mm to 218 mm (8.3 to 8.6 inches), which is sufficient to navigate rough terrains and typical off-road conditions encountered by heavy-duty pickups. This height and clearance balance accessibility with capability, making it suitable for work and recreational activities.

The curb weight of the 2015 Silverado 3500 HD III (K2XX) Crew Cab Long Box ranges from 2961 kg to 3661 kg (6527 lbs to 8073 lbs), depending on configuration and equipment. Its maximum gross vehicle weight rating (GVWR) is between 4853 kg and 5908 kg (10,700 lbs to 13,020 lbs). This high GVWR highlights its capability to carry heavy loads and tow significant weight, making it suitable for demanding commercial and personal hauling needs.

When the rear seats are folded down, the Silverado 3500 HD III (K2XX) Crew Cab Long Box provides a luggage capacity of approximately 2162 liters (76.3 cubic feet). This expanded space allows for significant cargo storage inside the cabin, especially useful when transporting tools, equipment, or personal belongings, in addition to the large Long Box bed for heavy-duty hauling.

The Silverado 3500 HD III (K2XX) Crew Cab Long Box offers a range of tire and rim sizes depending on trim and package options. Tire sizes include 235/80 R17 and 265/70 R18, paired with rims sized 7.5J x 17, 8J x 18, and 6.5J x 17 inches respectively. These options provide a balance between durability, ride comfort, and off-road capability to meet various driving and work needs.

The Silverado 3500 HD III (K2XX) Crew Cab Long Box, with a length of 6563 mm (258.4 inches), width up to 2438 mm (96 inches) with mirrors open, and a height of roughly 1980 mm (78 inches), is quite large. Standard single-car garage doors typically range around 2440 mm (96 inches) wide and 2130 mm (84 inches) tall. While the height fits comfortably, the length and width with opened mirrors may require careful maneuvering or folded mirrors for fitting inside many standard garages, especially single-car varieties. Owners often opt for larger or specialized garages to accommodate such a substantial vehicle.

Compared to its predecessor, the 2011-2014 Silverado 3500 HD, the 2015 Silverado 3500 HD III (K2XX) Crew Cab Long Box features a slightly more modern, refined design with similar overall large dimensions. While the length is generally consistent at around 6560 mm (258 inches), the 2015 model improved in terms of width and interior ergonomics, offering better cab space and comfort. Additionally, the newer generation introduced advanced technology and safety features, while maintaining comparable payload and towing capabilities. Overall, the 2015 model enhanced usability without drastically changing the fundamental large, heavy-duty size attributes of its predecessor.

Within the heavy-duty three-quarter ton pickup truck category, the 2015 Silverado 3500 HD III (K2XX) Crew Cab Long Box compares competitively with rivals like the Ford F-350 Super Duty and RAM 3500. In terms of size, the Silverado's length of 6563 mm (258.4 inches), width near 2.4 meters (96 inches) with mirrors extended, and height around 1.98 meters (78 inches) are typical for vehicles in this segment, offering ample bed space and cabin room. It generally provides similar payload capacities and towing capabilities. The Silverado is noted for its solid build quality, powerful engine options, and strong aftermarket support, matching or exceeding competitors on size and performance for those requiring maximum utility.

The 2015 Chevrolet Silverado 3500 HD III (K2XX) Crew Cab Long Box is a heavy-duty pickup designed for serious work and hauling. It features a spacious Crew Cab configuration ideal for carrying passengers and cargo simultaneously. The Long Box enhances its cargo bed capacity for large or bulky items. With a curb weight between 2961 to 3661 kg (6527 to 8073 lbs) and GVWR up to 5908 kg (13,020 lbs), it handles heavy loads and towing with ease. It comes equipped with durable suspension, multiple trim levels, advanced technology for 2015 including safety and connectivity features, and powerful engine options suitable for commercial or personal demanding tasks.

The 2015 Silverado 3500 HD III Crew Cab Long Box offers a ground clearance of approximately 210 mm to 218 mm (8.3 to 8.6 inches). This clearance strikes a balance between everyday drivability and off-road practicality, enabling the vehicle to traverse uneven terrain, mild off-road trails, or construction sites without underside damage. While not an extreme off-roader clearance, it is sufficient for typical heavy-duty pickup use, allowing it to maintain a strong road presence and capability across work environments and moderate off-road conditions.