The main difference between the GMC Sierra 2500 HD and Sierra 3500 HD comes down to payload and towing capability. Both are heavy-duty trucks built for serious work, but the Sierra 3500 HD is …

We have 2.3K GMC Sierra 3500HDs for sale with Free CARFAX Reports including Denali, AT4, SLT and other trims. 1,695 GMC Sierra 3500HDs are reported accident free and 1,078 are One-Owner cars.

Prices are based on actual listings found on Autotrader for the model years 2016 - 2026. Test drive Used GMC Sierra 3500 at home from the top dealers in your area.

The 2023 GMC Sierra 3500HD is equipped with advanced towing technology and offers luxurious high-end trims that enhance comfort and functionality for both work and personal use.

Detailed specs and features for the 2025 GMC Sierra 3500HD including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.