In the world of full-size pickup trucks, the GMC Sierra HD has always been a formidable contender, known for its impressive towing capabilities, rugged build, and abundance of features. With the introduction of the 2024 GMC Sierra HD, enthusiasts and truck aficionados have something to look forward to. The latest model not only maintains the brand’s reputation for excellence but also raises the bar by offering an updated exterior and interior design, a more potent engine powertrain, increased towing capacity, and an array of standard features. Moreover, the 2024 Sierra HD will be available in an array of six trims, each catering to different tastes and preferences, with an off-road-focused AT4X grade slated to arrive later in the model year.
A Closer Look at the 2024 GMC Sierra HD

Power and Performance:
The 2024 GMC Sierra HD boasts a standard 6.6L V8 Gas Engine paired with an Allison® 10-Speed Automatic Transmission. This combination provides the kind of power and smooth shifting that truck enthusiasts demand. The powertrain ensures that the Sierra HD can handle heavy loads and challenging terrain with ease.
| Feature | Description |
|---|---|
| Engine | Standard 6.6L V8 Gas Engine With Allison® 10-Speed Automatic Transmission |
| Power | 401 hp @ 5,200 rpm |
| Torque | 464 lb-ft @ 4,000 rpm |
| Brakes | Four-wheel disc with Duralife™ rotors |
| Safety | Standard safety features include Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Following Distance Indicator, Lane Departure Warning, and IntelliBeam® auto high beams |
| Electronics | Standard Wireless Apple CarPlay®† and Wireless Android AutoTM† Compatibility |
| MPG | EPA-estimated fuel economy is not yet available |
| Price | The starting price of the 2024 GMC Sierra HD is $46,295. |
Impressive Towing Capacity:
One of the standout features of the 2024 Sierra HD is its best-in-class heavy-duty cargo bed volume, a testament to GMC’s commitment to practicality and versatility. This means you’ll have ample space to carry the gear and equipment you need, whether it’s for work or play. Moreover, the updated model offers an even higher towing capacity compared to its predecessor, making it an ideal choice for those who rely on their truck for towing heavy loads.
| Model | Drivetrain | Axle Ratio | Max Towing Capacity (lbs) |
|---|---|---|---|
| Sierra 2500 HD | Crew Cab Standard Bed 2WD | 3.73 | 16,000 / 7,258 |
| Sierra 2500 HD | Crew Cab Standard Bed Pro, SLE, And SLT With NHT 1 2WD | – | 20,000 / 9,072 |
| Sierra 2500 HD | Crew Cab Standard Bed Pro, SLE, And SLT With NHT 1 4WD | – | 20,000 / 9,072 |
| Sierra 2500 HD | Crew Cab Standard Bed AT4 4WD | 3.73 | 16,000 / 7,258 |
| Sierra 2500 HD | Crew Cab Standard Bed AT4X 4WD | 3.73 | 16,000 / 7,258 |
| Sierra 2500 HD | Crew Cab Standard Bed AT4 AEV Edition 4WD | 3.73 | 16,000 / 7,258 |
| Sierra 2500 HD | Crew Cab Standard Bed Denali 4WD | 3.73 | 16,000 / 7,258 |
| Sierra 2500 HD | Crew Cab Standard Bed Denali With NHT1 4WD | – | 20,000 /9,072 |
| Sierra 2500 HD | Crew Cab Standard Bed Denali Ultimate With NHT1 4WD | – | 20,000/9,072 |
| Sierra 2500 HD | Crew Cab Long Bed Pro,SLE And SLT With NHT1 2WD | – | 20,000/9,072 |
| Sierra 2500 HD | Crew Cab Long Bed Pro,SLE And SLT With NHT1 4WD | – | 20,000/9,072 |
| Sierra 2500 HD | Crew Cab Long Bed AT4X With NHT1 | – | 20,000/9,072 |
| Sierra 2500 HD | Crew Cab Long Bed Denali With NHT1 | – | 20,000/9,072 |
| Sierra Heavy Duty (3500) | Regular Cab Long Bed DRW RWD | – | 37,100/16,826 |
| Sierra Heavy Duty (3500) | Regular Cab Long Bed DRW RWD with Gooseneck Hitch | – | 35,500/16,102 |
| Sierra Heavy Duty (3500) | Double Cab Long Bed DRW RWD | – | 36,800/16,692 |
| Sierra Heavy Duty (3500) | Double Cab Long Bed DRW RWD with Gooseneck Hitch | – | 35,500/16,102 |
| Sierra Heavy Duty (3500) | Crew Cab Standard Bed DRW RWD | – | 35,500/16,102 |
| Sierra Heavy Duty (3500) | Crew Cab Standard Bed DRW RWD with Gooseneck Hitch | – | 35,500/16,102 |
| Sierra Heavy Duty (3500) | Crew Cab Long Bed DRW RWD | – | 35,500/16,102 |
| Sierra Heavy Duty (3500) | Crew Cab Long Bed DRW RWD with Gooseneck Hitch | – | 35,500/16,102 |
Exterior and Interior Design:
The 2024 Sierra HD features an updated exterior design that not only looks more stylish but also enhances functionality. The truck’s bold, muscular stance and signature GMC grille are sure to turn heads on the road. LED Headlamps and Daytime Running Lamps come standard, providing improved visibility and safety. The interior has also received a facelift, with premium materials, refined ergonomics, and advanced technology that make for a comfortable and enjoyable driving experience.
| Feature | Description |
|---|---|
| Engine | Standard 6.6L V8 Gas Engine With Allison® 10-Speed Automatic Transmission |
| Headlamps | Standard LED Headlamps and Daytime Running Lamps |
| Trailering | Standard Trailering Package and Trailering Mirrors |
| Cargo Bed Volume | Best-in-Class† Heavy-Duty Cargo Bed Volume |
| Wireless Connectivity | Standard Wireless Apple CarPlay®† and Wireless Android AutoTM† Compatibility |
| Tailgate | Available MultiPro™ Tailgate |
Trailering Package and Mirrors:
For those who frequently tow trailers, the Sierra HD comes with a standard Trailering Package and Trailering Mirrors. These features are designed to simplify the towing process and ensure safety, making it easier to see behind the trailer and control your load.

Trim Options:
The 2024 Sierra HD offers a range of trim levels, allowing buyers to choose a model that best suits their needs and preferences. These six trims include:
- Pro
- SLE
- SLT
- AT4
- Denali
- Denali Ultimate
Whether you’re looking for a workhorse, a rugged off-roader, or a luxury truck, there’s a Sierra HD trim to match your requirements. What’s more, an off-road-focused AT4X grade is set to arrive later in the model year, adding even more versatility to the lineup.
2024 GMC Sierra HD Color Options
| Color | Paint Code | Cost |
|---|---|---|
| Cardinal Red | G7C | $495 |
| Downpour Metallic | GXP | $495 |
| Onyx Black | GBA | $495 |
| Redwood Metallic | G48 | $495 |
| Sterling Metallic | GXD | $495 |
| Summit White | GAZ | Free |
| Thunderstorm Gray | GNO | $495 |
| Titanium Rush Metallic | G6M | $495 |
| Volcanic Red Tintcoat | GNT | $645 |
| White Frost Tricoat | G1W | $1,095 |
Conclusion
The 2024 GMC Sierra HD is a significant step forward in the evolution of the GMC truck lineup. With its updated engine powertrain, best-in-class cargo bed volume, enhanced towing capacity, and a host of standard features, it’s a compelling option for those in the market for a full-size pickup truck. The exterior and interior redesign brings a touch of sophistication, without compromising on the rugged capabilities that GMC is known for.
Whether you’re a professional who relies on your truck for work, an outdoor enthusiast in need of a capable towing vehicle, or someone who simply appreciates a well-built and versatile pickup, the 2024 GMC Sierra HD is sure to meet and exceed your expectations. With a diverse array of trim options and the promise of an off-road-focused AT4X grade, it’s a testament to GMC’s commitment to innovation and their dedication to providing a top-tier trucking experience for every kind of driver.