
The 2024 GMC Sierra 2500 HD combines a high-quality cabin with the rugged capability the brand is known for. It comes in seven distinctive trims and different configurations, making it easy for customers to find a truck that matches their needs.
Trim Levels of the 2024 GMC Sierra 2500 HD
1. Pro
The entry-level Pro trim offers all the essentials you’d expect from a heavy-duty truck. Inside, you’ll love the excellent technology features, including a 3.5-inch diagonal driver information center, a 7-inch color touchscreen, Bluetooth audio streaming, and Apple CarPlay and Android Auto capability.
Other key features are rubberized vinyl floor covering, CornerStep rear bumper, solar-absorbing glass, and brake pad wear indicator. Beneath the hood of the Pro trim is a 6.6-liter inline-8 gas engine delivering 401 horsepower, paired with an Allison 10-speed automatic transmission.
2. SLE
The centerpiece of the SLE’s high-tech interior is the new 13.4-inch infotainment screen, which offers a user-friendly, customizable experience. Other exciting features include an integrated trailer brake controller, black outside power-adjustable vertical trailering mirrors, deep tinted glass, and a power lock and release tailgate with EZ Lift assist.
3. SLT
Upgrading to the SLT trim gets you interior upgrades like a 10-way power driver seat with power lumbar, driver memory, dual-zone automatic climate control, hitch view, and heated steering wheel. For enhanced performance, drivers get the digital variable steering assist, Autotrac 2-speed transfer case with push button controls, and in-vehicle trailering app.
4. AT4
Practical and tough, the AT4 trim is ready for your off-road adventures. With a standard off-road suspension, hill descent control, skid plates, and 20-inch all-terrain tires, you can travel over whatever the trail throws at you. The interior impresses with a bed view camera, a 7-inch Bose premium sound system with Richbass woofer, heated rear outboard seats, and a trailer side blind zone alert.
5. Denali
The Denali trim stands out with a power sliding rear window with rear defogger, forge perforated leather seat trim, and universal home remote. It also features factory-installed 6-inch chrome rectangular assist steps, 20-inch ultra-bright machined wheels with chrome inserts, and smoked Amber LED roof marker lamps.
6. AT4X
The AT4X trim takes things up a notch with a host of mechanical features. These include driver-selectable e-locking rear differential, off-road suspension with 1.5-inch factory-installed lift and DSSV dampers, and front aluminum skid plates. Other upgrades include trailer tire pressure and temperature sensors, a head-up display, a leather-wrapped steering wheel, and a 12-speaker Bose premium series with CenterPoint.
7. Denali Ultimate
This is the most sophisticated Sierra 2500 HD trim. Highlights include 20-inch ultra-bright machined wheels, power-retractable assist steps with LED perimeter lighting, and a winter grille cover. The Denali Ultimate trim is powered by a 6.6-liter Duramax turbo-diesel engine generating 470 horsepower.
Ready to explore the GMC Sierra 2500 HD trims? Visit Bacon Auto Country in Jacksonville, TX, to check out our inventory and schedule a test drive.

