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The incredible engines only better the premium look and feel of the 2023 GMC Sierra HD models. The HD stands for Heavy-Duty and applies to two versions of this GMC truck. You can select either the three-quarter-ton Sierra 2500HD or the one-ton Sierra 3500HD. Either way, you’ll have a truck with impressive power and performance. The question you have to answer is which GMC Sierra HD is the right truck to buy?

Five trims give you lots of options for the GMC Sierra HD

Black 2023 GMC Sierra 3500HD pulling a heavy load
2023 GMC Sierra 3500HD | GMC

Whether you choose the 2500HD or 3500HD model of the heavy-duty Sierra pickup, you’ll have five trims offered. These trims are:

  • Pro
  • SLE
  • SLT
  • AT4
  • Denali

The Pro trim is the most basic, with standard features, and a regular cab configuration, while the Denali is the most luxurious, offering all the bells and whistles you could ask for. If you desire an off-road-focused version of the Sierra HD, the AT4 model is what you want to drive.

How good does your heavy-duty GMC truck look?

This Red2023 GMC Sierra HD is a Powerful Pickup Truck
2023 GMC Sierra HD | GMC

Even though beauty is in the eye of the beholder, we can all recognize an attractive truck when we see it. The 2023 GMC Sierra HD is an attractive and bold truck. This pickup is big and only gets bigger when you go from the 2500HD to the Sierra 3500HD models.

Depending upon the trim and the exterior packaging, you can have your desired appearance. For example, the Sierra HD AT4 offers a rugged appearance with red tow hooks and black accents. The Denali brings a flashy chrome grille and shiny wheels to the mix, while the Denali Black Diamon Edition has:

  • Unique 20-inch high-gloss black wheels
  • Power running boards
  • LED lighting
  • MultiPro audio system by Kicker in the bed

What are some of the favorite features of the 2023 GMC Sierra HD truck lineup?

Black 2023 GMC Sierra 3500 HD
2023 GMC Sierra 3500 HD | GMC

Denali Trim

There’s no denying the luxury qualities of the Denali name when worn by the Sierra HD. This trim delivers a premium appearance package, perforated leather heated and cooled front seats, open-pore wood trim, and a Bose premium sound system.

Off-Road Qualities of the AT4 Model

Take this rugged GMC Sierra HD out for some fun and the trails, and you’ve got a truck that can do it all. There’s a rugged appearance package for the interior and exterior of the truck. The AT4 model also brings twin-tube Rancho shocks, skid plates, an off-road inclinometer, and all-terrain tires.

Duramax Turbocharged Diesel V8 Engine

The option of the Duramax V8 engine is one that truly delivers the power desired when you want to pull a heavy load. With this engine in the GMC Sierra 3500HD equipped with a fifth-wheel hitch, you can tow up to 36,000 pounds.

MultiPro Tailgate

GMC was the first to market with a tailgate that offers six different configurations to make your job much easier. This tailgate can be a load stop, cab step, desk, and seat. The MultiPro tailgate is available for all 2023 GMC Sierra HD models except the Pro trim.

ProGrade Trailering System

This trailering system makes hauling a trailer much easier in the Sierra HD pickup truck. The ProGrade package includes Hitch Guidance and Hitch View to make it easier and safer to hook up your trailer to your truck. An in-vehicle app helps you keep tabs on your trailer at all times.

Wireless Connectivity

It’s becoming more common in the auto market, but it’s good to see wireless Apple CarPlay and Android Auto offered in the GMC Sierra HD trucks. This feature is standard for the SLT, AT4, and Denali trims and optional for the SLE model.

Which trim of the 2023 GMC Sierra HD is right for you?

When you need a large, uncompromising, and comfortable pickup truck to drive, you turn to the Sierra HD lineup. Whether you choose the Sierra 2500HD or Sierra 3500HD depends on how much strength you need in this truck, but you’ll have the choice of five trims either way.

The sweet spot seems to be the SLT trim, but if you want the most comfort, you’ll go for the Denali model. If off-road fun is your desire, the AT4 trim could be the right truck for you to drive.


Which Trims of the GMC Sierra 3500 HD Offer the Duramax Diesel Engine?