5 Features That Make the 2025 GMC Sierra 3500HD Perfect for Tough Jobs

Sierra HD pickups outperform all other heavy-duty trucks on the market, offering increased towing capacity and unending stamina. Explore five features that make the 2025 GMC Sierra 3500HD perfect for your toughest jobs.

5 Features That Make the 2025 GMC Sierra 3500HD Perfect for Tough Jobs

1. 6.6L V8 Gas Engine

The Sierra 3500HD comes with a 6.6L V8 gas engine that puts forth 401 horsepower at 5200 rpm and 464 lb.-ft. of torque at 4000 rpm. This engine is paired with an Allison 10-speed automatic transmission for seamless acceleration and improved performance.

2. 6.6L Duramax Turbo-Diesel V8 Engine

The available 6.6L Duramax Turbo-Diesel engine is an ideal upgrade for drivers with extreme towing needs. This engine helps your Sierra 3500 reach a maximum towing capacity of 36,000 pounds. It’s also paired with the Allison 10-speed automatic transmission and yields an astounding 470 horsepower at 2800 rpm with 975 lb.-ft. of torque at 1600 rpm.

3. GMC MultiPro Tailgate

The GMC MultiPro tailgate is an available exterior feature that offers six possible tailgate configurations. You can fold down a built-in step to make it easier to climb into your truck bed, or fold down an inner portion of the tailgate to accommodate longer cargo items like lumber. The MultiPro tailgate comes standard on the SLT and all higher Sierra 3500 4WD trims.

4. Trailering Package

The 2025 Sierra 3500HD comes with an expansive GMC Trailering Package to support all of your towing jobs. This package includes:

• A trailer hitch
• A trailering hitch platform
• A 2.5″ receiver hitch
• 4-pin and 7-pin connectors
• A 7-wire electrical harness

The GMC Trailering Package also features Hitch Guidance: a helpful digital tool that makes it possible to align your trailer and hitch perfectly in a matter of minutes. Hitch Guidance shows your hitch and trailer on an in-cabin display with a visual guideline for lining the two up perfectly in one shot.

5. CornerStep Rear Bumper

The CornerStep rear bumper is a unique feature that provides you with more stability when you climb up into your Sierra’s truck bed. This bumper was designed with open spaces on each corner, with textured foot pads located inside each space. Insert your foot into the hollow space and push against the foot pad for increased traction and stability when getting in or out of the cargo bed.

Head over to Stan King GM SuperStore in Brookhaven, MS, to check out the latest GMC models, including the Sierra 3500HD!

Posted in 2025 GMC Sierra 2500 HD, Brookhaven GMC Dealer, GMC Sierra 2500 | No Comments »