7 Powerful Features of the 2025 GMC Sierra 2500HD

What makes the new 2025 GMC Sierra 2500HD one of the best-selling pickup options on the market? From the high-powered engine to the state-of-the-art safety packages, check out seven ​important features of the new Sierra 2500.

7 Powerful Features of the 2025 GMC Sierra 2500HD

1. 6.6L V8 Gas Engine

The Sierra’s standard engine is a 6.6L V8 gas engine that boasts 401 horsepower at 5200 rpm and 464 lb.-ft. of torque at 4000 rpm. The 6.6L V8 is paired with an Allison 10-speed automatic transmission for flawless acceleration.

2. 6.6L Duramax Turbo-Diesel Engine

If you have heavy-duty towing needs, consider the available 6.6L Duramax Turbo-Diesel as your Sierra’s engine. This engine provides a maximum towing capacity of 21,870 pounds along with 470 horsepower at 2800 rpm and 975 lb.-ft. of torque at 1600 rpm.

3. Trailering Package

The ​new Sierra 2500HD comes with a trailering package that includes everything you need for the towing process. This includes basic features like a trailer hitch and trailering hitch platform and high-tech functions like Hitch Guidance. The Hitch Guidance function uses a rear vision camera to give you a perfect view of your trailer and hitch on an in-cabin display.

4. CornerStep Rear Bumper

Pickups in the Sierra lineup come with a CornerStep rear bumper that provides added stability when you’re accessing your cargo bed. This ​innovative bumper was designed with hollow spaces at each corner. These spaces have textured pads inside that ​keep your foot secure when climbing up toward the bed.

5. GMC Infotainment System

The Sierra 2500’s cabin features a 7-inch GMC Infotainment system that comes with Apple CarPlay and Android Auto smartphone connectivity. These features sync your phone to the truck through Bluetooth technology, allowing you to make phone calls or send text messages through your Infotainment screen. The 2025 GMC Infotainment system also has SiriusXM satellite ​radio compatibility, ​which offers hundreds of music, sports, and news stations to enjoy.

6. OnStar Basics

OnStar Basics is an important package that provides helpful tools and resources to offer increased safety. This includes built-in voice assistance, GPS navigation with live traffic updates, remote commands, and Automatic Crash Response. If your truck is involved in an accident, Automatic Crash Response connects you with an emergency advisor, giving you immediate access to assistance and first responders.

7. Sierra HD Pro Safety

The Sierra HD Pro Safety package keeps you safer than ever behind the wheel of your new Sierra 2500. Sierra HD Pro Safety includes Lane Departure Warning, IntelliBeam, Forward Collision Alert, Automatic Emergency Braking, Buckle to Drive, Following Distance Indicator, and Front Pedestrian Braking. These functions work together to surveil your surroundings and warn you about possible hazards before an accident occurs.

Stop by Bacon Auto Ranch in Athens, TX, to see the Sierra 2500 in person!

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