2026 GMC Sierra 3500 Towing Capacity

When you need more than a light-duty pickup truck for jobs in San Antonio and the surrounding areas, consider a 2026 GMC Sierra 3500! So, what is the towing capacity of the GMC Sierra 3500? When properly equipped, the 2026 GMC Sierra 3500 towing capacity is up to 36,000 pounds! Learn more about what this HD truck can do with the team at Gunn Buick GMC. If you are as impressed with the GMC Sierra 3500 as we are, contact us to schedule a test drive at our dealership in Selma. Our team is also here to answer your questions about this model, financing, and trading in your current truck!

2026 GMC Sierra 3500 Engines

This heavy-duty Sierra model is available with 2 engine options: the standard V8 gas engine and the optional diesel engine. While the gas powertrain delivers outstanding performance, the diesel one is available for drivers who want more power on the roads of Schertz. Check out the details for these options below:

6.6L V8 Gas Engine

• 401 hp
• 464 lb-ft of torque
• Paired with an Allison® 10-speed automatic transmission

6.6L Duramax Turbo-Diesel V8 Engine

• 470 hp
• 975 lb-ft of torque
• Paired with an Allison® 10-speed automatic transmission or a 10-speed automatic transmission with integrated Power Take-Off (PTO)

2026 GMC Sierra 3500 Towing Features

Along with offering an impressive towing capacity, the 2026 GMC Sierra 3500 HD also features various advanced trailering tech to ensure you enjoy a smooth-sailing towing experience every time. Take a look at some of these technologies here:

• ProGrade Trailering System: Hitch and tow with ease thanks to this advanced suite of available intelligent technologies.
• Up to 14 available camera views: Confidently tow a trailer with the transparent trailer view, which is compatible with most traditional, gooseneck, and fifth-wheel trailers.
• Adaptive Cruise Control with Trailering: This optional feature allows the vehicle’s Adaptive Cruise Control system to account for additional drag and increased braking distances when towing a trailer.
• In-Vehicle Trailering App: This app features a checklist, trailer maintenance reminders, and more functionality to streamline your trailering experience on the roads of Cibolo.

Explore The Sierra 3500 HD Further With Gunn Buick GMC

What is the towing capacity of the GMC Sierra 3500? Now that you know, are you ready to take a test drive at our dealership? Call (866) 468-6484 or contact us online today to get started. We look forward to helping you customize this HD truck to your specifications. If you have any questions about the 2026 GMC Sierra 3500 towing capacity, please don’t hesitate to reach out. Our team also invites you to review the GMC maintenance schedule and our buying vs. leasing guide!