2026 GMC Sierra 2500 Trim Levels

When there’s hard work to do in Lafayette, you want a 2026 GMC Sierra HD truck on your team. If you’re looking for a heavy-duty truck that combines raw power and capabilities with everyday driving convenience, the GMC Sierra 2500 HD is a wise choice. In the following overview, Sterling Buick GMC guides you through the 2026 GMC Sierra 2500 trim levels and their standard or available highlights. Continue reading to find your ideal companion for work and outdoor hobbies!

2026 GMC Sierra 2500 Models: Highlights

Each 2026 GMC Sierra 2500 trim level offers unique features that make driving in Baton Rouge and Alexandria even safer and more enjoyable. Check out what you can expect from the GMC Sierra 2500 models: 

Pro

Standard Features:

• 6.6L V8 gas engine with 10-speed automatic transmission
• Trailering Package, Trailering Mirrors, and Trailer Brake Controller
• Best-in-class HD cargo bed volume
• Wireless Apple CarPlay® and wireless Android Auto™ compatibility

Available Features:

• Duramax 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission 
• Adaptive Cruise Control with trailering

SLE

Standard Features: 

• 13.4-inch diagonal center touchscreen and 12.3-inch diagonal digital Driver Information Center
• Traction Select System with Tow/Haul mode
• 17-inch machined aluminum wheels

Available Features: 

• Up to 13 camera views, including transparent trailer view
• MultiPro Tailgate and MultiPro Tailgate Audio System by Kicker®
• X31 off-road package with twin-tube Rancho® shocks and skid plates

SLT

Standard Features:

• 10-way power driver and front outboard passenger heated seats with lumbar
• Heated steering wheel
• ProGrade® Trailering System with In-Vehicle Trailering App
• 18-inch machined aluminum wheels with dark gray metallic accents

Available Features: 

• 10-way power-adjustable front heated and ventilated bucket seats with perforated leather appointments
• MultiPro Tailgate and MultiPro Tailgate Audio System by Kicker®

AT4

Standard Features: 

• Exclusive Jet Black interior with Kalahari accents, and heated and ventilated perforated front leather seating surfaces
• Exclusive 20-inch gloss-black aluminum wheels with available BFGoodrich® off-road tires
• Off-Road Suspension Package with twin-tube Rancho shocks and skid plates
• Up to 14 available camera views with HD Surround Vision
• Adaptive Cruise Control with trailering

Available Features: 

• 15-inch diagonal Head-Up Display with off-road inclinometer

AT4X

Standard Features: 

• Factory-installed 1.5-inch suspension lift, Multimatic DSSV dampers, rear electronic-locking differential, larger steel transfer case skid plate, and front aluminum skid plate
• 35-inch Goodyear Territory MT tires
• 16-way heated and ventilated power front seats with massage feature
• Obsidian Rush interior featuring full-grain leather seating with technical-grain leather accents and authentic Vanta ash wood

Available Features: 

• AT4X AEV Edition featuring stamped steel bumpers, steering gear, and transfer case skid plates, and 18-inch Salta gloss-black wheels
• Duramax® 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission

Denali

Standard Features: 

• 20-inch Ultra-Bright machined aluminum wheels with bright chrome inserts
• Denali-exclusive authentic wood, patterned aluminum trim, and Forge perforated leather seating surfaces
• 12-way heated and ventilated power front seats

Available Features: 

• Duramax 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission
• Power sunroof
• Rear Camera Mirror

Denali Ultimate

Standard Features: 

• Duramax 6.6L Turbo-Diesel V8 engine with 10-speed automatic transmission
• Signature Vader Chrome grille and exclusive 20-inch Ultra-Bright machined aluminum wheels with gloss-black inserts
• Exclusive Alpine Umber interior featuring full-grain leather seating, authentic Paldao wood, and 16-way power front seats with massage feature
• 12-Speaker Bose Premium Series with Centerpoint surround sound
• Illuminated power assist steps and MultiPro Tailgate Audio System by KICKER®

Available Features: 

• Auxiliary trailer camera

Find The 2026 GMC Sierra 2500 Trim Levels In Opelousas

We proudly carry the latest GMC Sierra 2500 configurations at Sterling Buick GMC. Contact us to start planning your heavy-duty truck upgrade today! Whether you’re looking for the baseline Pro trim or the luxurious Denali Ultimate, our rotating new vehicle specials can help you save.