2026 GMC Sierra 3500 Trim Comparison
If you’re on the hunt for a heavy-duty, quality pickup truck, the 2026 GMC Sierra 3500 is the model you need. Equipped with a powerful engine, enabling superb performance and the ability to tow the heaviest loads, this is a truck that works great for personal projects and works hard while on the job. Next is determining which of the Sierra 3500’s seven trim levels best suits your needs: the Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate. Visit our GMC dealership near Great Falls to get your hands on your ideal pickup.
New GMC Sierra 3500 For Sale Near Great FallsFind The Right 2026 GMC Sierra 3500 Trim Package For Me
The base trim has plenty of amenities for easy towing, with available characteristics to further boost performance:
- 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 Duramax 6.6L Turbo-Diesel V8 engine with ten-speed automatic transmission
- Available Adaptive Cruise Control with trailering
This trim has new traits for better handling, with its available features helping driver awareness:
- 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
- Up to 13 available camera views, including transparent trailer view
- Available MultiPro Tailgate and MultiPro Tailgate Audio System by Kicker
- Available X31 off-road package with twin-tube Rancho shocks and skid plates
The SLT has a greater focus on comfort, ensuring you and your passengers enjoy your trip:
- Ten-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 grey metallic accents
- Available ten-way power-adjustable front heated and ventilated bucket seats with perforated leather appointments
- Available MultiPro Tailgate and MultiPro Tailgate Audio System by Kicker
Sierra 3500 AT4
This trim was designed with off-roading in mind, possessing traits for tackling a variety of different terrains:
- 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
- 15-inch diagonal Head-Up Display with off-road inclinometer
Sierra 3500 AT4X
This model takes the base of the AT4, further augmenting its off-road capability alongside new design details:
- 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 AT4X AEV Edition featuring stamped steel bumpers, steering gear and transfer case skid plates, and 18-inch Salta gloss-black wheels
- Available Duramax 6.6L Turbo-Diesel V8 engine with ten-speed automatic transmission
Sierra 3500 Denali
The Denali has many of the same characteristics in the other trims, but with a greater focus on style that doesn’t sacrifice any performance ability:
- 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 Duramax 6.6L Turbo-Diesel V8 engine with ten-speed automatic transmission
- Available power sunroof
- Available Rear Camera Mirror
This trim again upgrades a previous one, taking the Denali’s abilities and further augmenting both appearance and comfort:
- Duramax 6.6L Turbo-Diesel V8 engine with ten-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 auxiliary trailer camera
| Monday | 8:00AM - 5:30PM |
| Tuesday | 8:00AM - 5:30PM |
| Wednesday | 8:00AM - 5:30PM |
| Thursday | 8:00AM - 5:30PM |
| Friday | 8:00AM - 5:30PM |
| Saturday | 8:00AM - 3:00PM |
| Sunday | Closed |
| Monday | 8:00AM - 5:30PM |
| Tuesday | 8:00AM - 5:30PM |
| Wednesday | 8:00AM - 5:30PM |
| Thursday | 8:00AM - 5:30PM |
| Friday | 8:00AM - 5:30PM |
| Saturday | 8:00AM - 3:00PM |
| Sunday | Closed |
| Monday | 8:00AM - 5:00PM |
| Tuesday | 8:00AM - 5:00PM |
| Wednesday | 8:00AM - 5:00PM |
| Thursday | 8:00AM - 5:00PM |
| Friday | 8:00AM - 5:00PM |
| Saturday | 8:00AM - 3:00PM |
| Sunday | Closed |
| Monday | 8:00AM - 5:30PM |
| Tuesday | 8:00AM - 5:30PM |
| Wednesday | 8:00AM - 5:30PM |
| Thursday | 8:00AM - 5:30PM |
| Friday | 8:00AM - 5:30PM |
| Saturday | 8:00AM - 3:00PM |
| Sunday | Closed |
Finance a 2026 GMC Sierra 3500 For Sale Near Great Falls, MT
When you know which trim level you want, contact our GMC finance center to get help with determining a payment plan. We aim to make sure you get your perfect truck as quickly as possible, and at an affordable rate. We even provide rotating specials to help bring the cost of your vehicle down even further.
Explore The 2026 GMC Sierra 3500 Trims Near Great Falls, MT
If you want a better look at a new GMC Sierra 3500, schedule a test drive at our GMC dealership near Great Falls, MT. To get answers to any other questions you may have about this model or its trim levels, make sure to contact us online at Tilleman Motor Chevrolet GMC.
New GMC Sierra 3500 For Sale Near Great Falls