7 Impressive Features of the 2025 GMC Sierra 2500HD

1. 6.6L V8 Gas Engine

The Sierra 2500 has two engine options, including the standard 6.6L V8 gas engine. This engine boasts 401 horsepower at 5200 rpm and 464 lb.-ft. of torque at 4000 rpm. The 6.6L gas engine is paired with an Allison 10-speed automatic transmission that’s electronically controlled with overdrive.

2. 6.6L Duramax Turbo-Diesel Engine

For enhanced power and increased stamina, the Sierra 2500 has an available 6.6L Duramax Turbo-Diesel engine. This engine yields 470 horsepower at 2800 rpm with 975 lb.-ft. of torque at 1600 rpm. The Duramax engine is a great option for drivers with serious towing needs, as it offers a maximum towing capacity of 21,870 pounds.

3. Sierra HD Pro Safety

The 2500 comes with the exclusive Sierra HD Pro Safety package, an assistive driving package that helps you avoid common causes of accidents. Features in the Sierra HD Pro Safety package include IntelliBeam, Automatic Emergency Braking, Forward Collision Alert, Lane Departure Warning, Following Distance Indicator, and Front Pedestrian Braking. Using digital cameras and radar sensors, these functions watch your path at all times and warn you about potential hazards before an accident occurs.

4. OnStar Basics

The OnStar Basics package is another cutting-edge safety package in the new Sierra 2500. OnStar Basics comes with Automatic Crash Response, remote commands, built-in voice assistance, and GPS navigation with live traffic updates. The Automatic Crash Response function kicks in when it detects your truck has been involved in a severe collision, connecting you with an emergency advisor who can send first responders to your location.

5. Smartphone Integration

The new Sierra 2500 has smartphone connectivity through Android Auto and Apple CarPlay, making it possible to connect your phone to the truck for a range of convenient functions. Using Bluetooth technology, pair your phone to the Sierra’s Infotainment system so you can make phone calls or send text messages from your vehicle.

6. SiriusXM Satellite Radio

The 2025 Sierra 2500 also has SiriusXM satellite radio capability for endless entertainment. SiriusXM radio has countless music stations that are broken down by genre, decade, and artist. There are also sports stations that broadcast live events and news stations that provide 24/7 coverage from around the globe.

7. Hitch Guidance

All Sierra ​2500 trims come with a trailering package that includes ​features like a trailer hitch, receiver hitch, and connectors. ​Hitch Guidance is an innovative feature in the trailering package, ​giving you a detailed view of your hitch and trailer at all times. Hitch Guidance uses a rear vision camera to ​show your hitch and trailer on an in-cabin display and even provides a visual guideline when attaching the two.

Call Royal Buick GMC in Vestavia Hills, AL, and ask about the new Sierra 2500 today.

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