7 Reasons to Test Drive the 2025 GMC Sierra 2500 HD

The GMC Sierra lineup offers three different pickup trucks, each with unique features and varying degrees of performance. The 2025 GMC Sierra 2500 HD is a heavy-duty pickup that has powerful engine options, major towing capabilities, and convenient interior features.

7 Reasons to Test Drive the 2025 GMC Sierra 2500 HD

1. 6.6L V8 Gas Engine

The GMC Sierra 2500 comes with a 6.6L V8 gas engine that offers 401 horsepower at 5200 rpm and 464 lb.-ft. of torque at 4000 rpm. For increased power and a maximum towing capacity of 21,870 pounds, there’s an available 6.6L Duramax Turbo-Diesel engine. This engine boasts 470 horsepower at 2800 rpm and 975 lb.-ft. of torque at 1600 rpm.

2. Allison 10-Speed Automatic Transmission

Both of the GMC Sierra 2500’s engine options are paired with an Allison 10-speed automatic transmission for optimal performance. This transmission is electronically controlled with overdrive and includes auto-grade braking. With Tow/Haul mode, your Allison automatic transmission can reduce shift cycling for better control and improved cooling during the towing process.

3. Sierra HD Pro Safety

Trucks in the GMC Sierra lineup come with their own exclusive safety package, Sierra HD Pro Safety. The Sierra HD Pro Safety package includes Forward Collision Alert, Following Distance Indicator, Front Pedestrian Braking, IntelliBeam, and more. These functions use cameras and movement sensors to watch your surroundings for possible hazards and warn you before an accident happens.

4. GMC MultiPro Tailgate

If you’re going to be using your GMC Sierra for hauling projects, you’ll love the convenience of the GMC MultiPro tailgate. This available tailgate has six different configurations that make loading, unloading, and hauling cargo easier. This includes a built-in step for climbing up into your truck bed and a tailgate extension for hauling long items like lumber.  

5. GMC Premium Infotainment with Google Built-In

The SLE and all higher GMC Sierra 2500 trims ​come with a 13.4-inch GMC Premium Infotainment system with Google built-in. This system includes wireless smartphone integration through Apple CarPlay and Android Auto, Bluetooth streaming audio, AM/FM radio, and SiriusXM satellite radio compatibility. With Google built-in, you can use Google Assistant, Maps, Gmail, and more on the in-cabin touchscreen.

6. Trailering Package

​The GMC Sierra 2500 HD comes with a complete Trailering ​Package for all of your towing projects. This package includes a trailering hitch platform, a trailer hitch, a 2.5-inch receiver hitch, a 7-wire electrical harness, and 4-pin and 7-pin connectors. The GMC Trailering Package also comes with Hitch Guidance, which gives you a digital view of your trailer and hitch during the alignment process and while driving.

7. Solar-Absorbing Glass

Your GMC Sierra 2500’s cabin stays cool and comfortable thanks to its solar-absorbing glass windows. This glass absorbs the sun’s solar rays, ​preventing them from heating your ​cabin up.

Stop by Wiesner of Hunstville in Huntsville, TX, to test drive the new Sierra 2500 HD!

Posted in 2025 GMC Sierra 2500 HD, Chevy Dealer Huntsville, Chevy Dealership Huntsville, TX, Huntsville Auto Loan, Huntsville GMC Dealer, Huntsville GMC Dealership, Huntsville GMC Loan, Huntsville GMC SIerra 2500 HD, Huntsville GMC Trucks, Huntsville Trucks For Sale, New GMC Sierra 2500 HD, New GMC Trucks, Wiesner of Huntsville, Wisner of Huntsville | No Comments »