2026 GMC Sierra HD Towing Capacity & Cargo Volume
2026 GMC Sierra HD Trucks Towing Capacity & Cargo Volume
At Uebelhor Buick GMC, the 2026 GMC Sierra HD lineup comprises two models—the GMC Sierra 2500 HD and the GMC Sierra 3500 HD—and both stand out for truck shoppers and fleet managers throughout Vincennes for their remarkable towing capabilities, best-in-class cargo volume, and incredible strength, with either a gas or diesel-powered engine. With the Crew Cab, the Sierra 2500 HD has a maximum tow rating of 22,390 pounds, and the Sierra 3500 HD has a maximum tow rating of 36,000 pounds when properly equipped.
The new GMC Sierra HD also retains its status as a class leader for cargo bed volume and simplifies cargo access with an available six-function GMC MultiPro Tailgate. Additionally, customers can choose from advanced towing features, such as the ProGrade Trailering System and up to 14 camera views, which make hitching, towing, and maneuvering more efficient.
View InventoryContact Us
2026 GMC Sierra HD - Maximum Towing Capacity
At our Vincennes GMC dealership, the new 2026 Sierra HD lineup gives shoppers from Washington, IN, to Mount Carmel, IL, impressive top-line towing figures:
- 2026 GMC Sierra 2500 HD: up to 22,390 pounds
- 2026 GMC Sierra 3500 HD: up to 36,000 pounds
Explore towing capacities according to the variant and configuration:
GMC Sierra 2500 HD
Cab-specific towing
- Regular Cab: up to 22,390 pounds gooseneck/fifth-wheel towing
- Regular Cab: up to 14,500 pounds conventional towing
- Double Cab: up to 18,600 pounds gooseneck/fifth-wheel towing
- Double Cab: up to 17,900 pounds conventional towing
Trim-specific towing
- AT4: up to 21,190 pounds gooseneck/fifth-wheel towing
- AT4: up to 20,000 pounds conventional towing
- AT4X: up to 18,000 pounds gooseneck/fifth-wheel towing
- AT4X: up to 18,500 pounds conventional towing
- Denali: up to 19,900 pounds gooseneck/fifth-wheel towing
- Denali Ultimate: up to 19,300 pounds gooseneck/fifth-wheel towing
GMC Sierra 3500 HD
Trim-specific towing
- AT4: up to 21,300 pounds gooseneck/fifth-wheel towing
- AT4: up to 20,000 pounds conventional towing
- Denali: up to 30,800 pounds gooseneck/fifth-wheel towing
- Denali: up to 20,000 pounds conventional towing
- Denali Ultimate: up to 30,700 pounds gooseneck/fifth-wheel towing
- Denali Ultimate: up to 20,000 pounds conventional towing
2026 GMC Sierra HD - Performance & Features
The 2026 GMC Sierra HD is built for heavy-duty performance delivery, offering two engine options:
- Standard 6.6-liter V8 gas engine delivers 401 horsepower and 464 pound-feet of torque.
- Duramax 6.6-liter Turbo-Diesel V8 engine with up to 470 horsepower and 975 pound-feet of torque.
Both engines are paired with an Allison 10-speed automatic transmission and either a rear-wheel drive (RWD) or four-wheel drive (4WD), depending on the trim and configuration. For stronger off-road capabilities, shoppers from Sullivan, IN, and the surrounding areas should consider the Sierra 2500 HD AT4X configuration, which adds Multimatic DSSV dampers and a factory-installed 1.5-inch suspension lift, for an impressive 11.6 inches of ground clearance.
For easier and more controlled towing, customers can select from a range of optional add-ons based on their trim and configuration, including:
- X31 Off-Road Package
- AT4 off-road suspension with Rancho shocks and skid plates
- AT4X Multimatic DSSV dampers
- AT4X factory 1.5-inch lift
- AT4X 11.6 inches of ground clearance
- Up to 14 camera views
- Transparent Trailer View
- ProGrade Trailering System
- Adaptive Cruise Control with trailering
2026 GMC Sierra HD Cargo/Storage Volume
The new GMC Sierra HD trucks at Uebelhor Buick GMC deliver strong hauling capability, with best-in-class heavy-duty cargo bed volume ranging from 69.5 to 83.5 cubic feet, depending on your configuration. The cargo bed is designed for easier lift-in loading and the clearance needed for gooseneck and fifth-wheel trailering.
GMC also offers a six-function MultiPro Tailgate that simplifies loading and unloading the cargo bed. Crew Cab models deliver best-in-class standard front headroom and legroom for added comfort during longer drives to Princeton, IN.
Max available payload highlights include:
- Sierra 2500 HD PRO, SLE, and SLT: up to 3,863 pounds
- Sierra 2500 HD AT4X: up to 4,127 pounds
- Sierra 2500 HD Denali Ultimate: up to 3,812 pounds
- Sierra 3500 HD AT4: up to 3,524 pounds
Why Buy From Uebelhor Buick GMC in Vincennes, IN?
Drivers choose our GMC dealership in Vincennes, IN, for a simpler way to shop. We proudly serve customers from Lawrenceville, IL, to Terre Haute, IN, showcasing the latest Buick and GMC models and an impressive selection of pre-owned vehicles. Customers enjoy a range of special offers and fair trade-in offers for greater savings on their new or used vehicle purchase.
Finance experts are here to answer questions and guide you through the financing and leasing process in a relaxed setting, helping you choose the ideal truck or SUV that fits your budget, lifestyle, and work needs.
Our service center staffs certified technicians who perform all routine service, scheduled maintenance, and repairs long after the sale. If you have questions about availability or would like to schedule a test drive, call or visit us at Uebelhor Buick GMC today.
View Inventory Contact Us