
The 2024 GMC Sierra HD is truly a work truck that is able to take on any sort of towing and workload. These larger heavy duty trucks have been designed with work in mind and are able to do just that. There are some new upgrades such as a new turbocharger, which enhances the engine which is placed in this truck. Along with this there are other features that make this truck unique. In this in-depth review we look into the ins and outs of what makes the new 2024 GMC Sierra HD different from its competition.
Key Takeaways:

- With an upgraded turbocharger the 6.6 liter Duramax sees some enhancements this year. This directly relates to the towing capacity on this truck. When it comes to all towing needs the GMC Sierra HD shines with its best-in-class towing capacity.
- The technology on this truck also enhances the towing capability. We dive into many of the technology features that provide comfort while towing, and comfort in general.
- Just because these are larger trucks doesn’t mean that GMC is not focused on safety. With the Sierra HD Pro Safety package you have peace of mind as you are driving.
How Much Horsepower Will the GMC Sierra HD Have?

With the diesel engine equipped, the Sierra HD sees 470 horsepower. The Sierra HD comes standard with a 6.6 liter gas engine. In the previous years this engine was mated to an eight speed automatic transmission, however, this year it’s a ten speed automatic transmission.
The well-known Duramax diesel engine is also available on this truck, with a few new upgrades. A new turbocharger is introduced, which helps the engine to have 25% increase in low-end torque over previous models. As usual this Duramax will be mated to a 10 speed automatic transmission, which provides smooth shifting and a great driving experience.
Engine Specifications:
- 6.6 liter gasoline engine (401 horsepower, 464 pounds of torque)
- 6.6 liter Duramax diesel engine (470 horsepower, 975 pounds of torque)
What is the Overall Towing Capacity?

The 2500 model boasts a max towing capacity of 22,070 pounds, which is slightly higher than it has been in the previous years. The 3500 model features up to 36,000 pounds of towing capacity.
There are many technological features that enhance the towing experience of this heavy duty truck. Some features are an active engine brake, adaptive cruise control with trailering, and trailer sway control. The following list highlights some of the other features.
- Ability to Create and Customize Different Trailer Profiles
- Gross Combined Weight Alert
- Trailer Light Test
- Trailer Length Indicator
- Trailer Brake Controller
What Safety Features are on the 2024 GMC Sierra HD?
GMC has put safety as a top priority when it comes to these heavy duty trucks. Whether you are trailering or just taking a drive the active safety features are there to ensure your safety. A very interesting safety feature is the Safety Alert Seat. When equipped, the seat uses left, right, or both-side vibration to identify the direction of potential crashes.
Most vehicles vibrate through the steering wheel to alert the driver of a potential hazard, however, with the Safety Alert Seat, you are truly in the know of where things are as you drive. Let’s take a look at some of the other safety features that are present on this truck.
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- Lane Departure Warning
- Automatic Emergency Braking
Is the 2024 GMC Sierra HD Worth It?
Yes, the new 2024 GMC Sierra HD truck is well worth it. With a starting price of $47,395 there is plenty of room to configure this work truck however will best suit your needs. With the trailering technology you will not have to worry when you hook up to get going. Come and check out the new 2024 GMC Sierra HD truck today to see why it stands out from the competition.