Wilson County Chevrolet Buick GMC is thrilled to announce that the new 2026 GMC Sierra 2500 HD is now available near Lebanon, Gallatin, Mt. Juliet, and Murfreesboro, Tennessee. Today, we're exploring everything this heavy-duty truck has to offer to help make your shopping experience smoother. Visit our Tennessee truck dealership to experience the 2026 Sierra 2500 HD, along with an outstanding selection of new vehicles and used cars, trucks, and SUVs.

Trim Options - Near Gallatin, TN
Versatility is key, whether you're tackling a cross-country haul or a weekend DIY.
The 2026 GMC Sierra 2500 HD provides the flexibility you need with seven distinct trim options. Whether you're looking for a powerful everyday driver like the SLE, a rugged off-roader like the AT4X, or a heavy-duty showstopper like the Denali Ultimate, there's a Sierra 2500 HD trim for you.
Explore the full lineup to find the best trim for your hauls near Gallatin, Tennessee!
Pro
MSRP: $47,000
Base Engine: 6.6L V8 gas engine; available 6.6L Duramax Turbo-Diesel V8
Key Features:
- Heated steering wheel
- ProGrade® Trailering System with In-Vehicle Trailering App
- 18-inch machined aluminum wheels with dark grey metallic accents
SLE
MSRP: $54,000
Base Engine: 6.6L V8 gas engine; available 6.6L Duramax Turbo-Diesel V8
Key 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
SLT
MSRP: $65,200
Base Engine: 6.6L V8 gas engine; available 6.6L Duramax Turbo-Diesel V8
Key Features:
- Heated steering wheel
- ProGrade® Trailering System with In-Vehicle Trailering App
- 18-inch machined aluminum wheels with dark grey metallic accents
AT4
MSRP: $72,200
Base Engine: 6.6L V8 gas engine; available 6.6L Duramax Turbo-Diesel V8
Key Features:
- 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
AT4X
MSRP: $85,200
Base Engine: 6.6L V8 gas engine; available 6.6L Duramax Turbo-Diesel V8
Key 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
Denali 
MSRP: $75,200
Base Engine: 6.6L V8 gas engine; available 6.6L Duramax Turbo-Diesel V8
Key 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
Denali Ultimate
MSRP: $94,200
Base Engine: 6.6L Duramax Turbo-Diesel V8 engine
Key Features:
- 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

Engine Options - Near Mt. Juliet, TN
The 2026 GMC Sierra 2500 HD helps you fine-tune your driving experience with two powerful engine options.
Equip your heavy-duty truck with the 401-hp 6.6L V8 gas engine for strong performance and proven reliability. You can also choose the 6.6L Duramax® Turbo-Diesel V8 for maximum power and impressive highway efficiency.
No matter where your next destination takes you, the 2026 GMC Sierra 2500 HD has the capability to get you there.
6.6L V8 Gas Engine
- Transmission: Allison® 10-speed automatic transmission
- Horsepower: 401 hp @ 5200 rpm
- Torque: 464 lb-ft @ 4000 rpm
6.6L Duramax Turbo-Diesel V8 Engine
- Transmission: Allison® 10-speed automatic transmission
- Horsepower: 470 hp @ 2800 rpm
- Torque: 975 lb-ft @ 1600 rpm

2026 GMC Sierra 2500 vs 3500 - What's the Difference?
Trying to decide between the 2026 GMC Sierra 2500 HD and the 2026 GMC Sierra 3500 HD? While both heavy-duty trucks deliver impressive performance, each is designed to suit different driving needs. Below, we break down the key differences between these two HD trucks to help guide you on your journeys through Mt. Juliet, Tennessee.
Best For
- 2026 GMC Sierra 2500 HD: Contractors, RV owners, and drivers seeking a balance between heavy-duty performance and everyday comfort.
- 2026 GMC Sierra 3500 HD: Commercial drivers who need maximum capability for hauling heavy loads, such as construction equipment, multi-horse trailers, or large boats.
Towing
- 2026 GMC Sierra 2500 HD: 21,870 lbs
- 2026 GMC Sierra 3500 HD: 36,000 lbs
Payload
- 2026 GMC Sierra 2500 HD: ~3,200 - 4,000 lbs
- 2026 GMC Sierra 3500 HD: ~4,000 - 7,500 lbs
Wheel Configuration
- 2026 GMC Sierra 2500 HD: Single Rear Wheel (SRW) only
- 2026 GMC Sierra 3500 HD: Dual Rear Wheel (DRW / dually)
Chassis & Suspension
- 2026 GMC Sierra 2500 HD: Tuned for everyday balance
- 2026 GMC Sierra 3500 HD: Stiffer, tuned for heavy-duty performance

Frequently Asked Questions - Near Murfreesboro, TN
Have a few more questions about the 2026 GMC Sierra 2500 HD? You've come to the right place!
At Wilson County Chevrolet Buick GMC, we're dedicated to giving drivers all the information they need to make informed truck-buying decisions. To make your shopping experience easier, we've answered some of the most frequently asked questions about the new Sierra 2500 HD.
When we're done, you'll be a step closer to powering through Murfreesboro in your new GMC HD truck!
What is the starting price of the 2026 GMC Sierra 2500 HD?
The 2026 GMC Sierra 2500 HD starts at $47,000 MSRP.
How much can the 2026 GMC Sierra 2500 HD tow?
The 2026 GMC Sierra 2500 HD can tow up to 21,870 lbs with select configurations.
What engine options are available in the 2026 GMC Sierra 2500 HD?
The GMC Sierra 2500 HD offers two engine options: a 6.6L V8 gas engine and a 6.6L Duramax Turbo-Diesel V8.
What trims are offered for the 2026 GMC Sierra 2500 HD?
The 2026 GMC Sierra 2500 HD comes in the following trims:
- Pro
- SLE
- SLT
- AT4
- Denali
- AT4X
- Denali Ultimate
What technology features are available in the 2026 GMC Sierra 2500 HD?
The 2026 GMC Sierra offers outstanding available technology, including:
- 13.4-inch Diagonal Premium GMC Infotainment System
- 15-inch Diagonal Multicolor Head-up Display
- 12.3-inch Diagonal Color Driver Information Center
- 12-Speaker Bose® Premium Series with Centerpoint  Surround Sound
What safety features come standard with the 2026 GMC Sierra 2500 HD?
Every 2026 GMC Sierra 2500 HD comes standard with a comprehensive driver-assistance suite, which includes:
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- IntelliBeam
- Lane Departure Warning
- Automatic Emergency Braking
- Buckle to Drive
Where can I test drive the 2026 GMC Sierra 2500 HD?
You can do it right here at Wilson County Chevrolet Buick GMC in Lebanon, Tennessee. Be sure to check out our new car specials for a chance to save.

Test Drive the New 2026 GMC Sierra 2500 HD in Lebanon, TN
Ready to experience the power of the new 2026 GMC Sierra 2500 HD?
Call (615) 549-6817 or visit us at 903 S Hartmann Dr, Lebanon, Tennessee 37090 to book your test drive!
At Wilson County Chevrolet Buick GMC in Lebanon, we're proud to provide Tennessee drivers with an exceptional selection of new Chevrolet, Buick, and GMC models, including the 2026 Sierra 2500 HD. We also offer reliable used cars, trucks, and SUVs from popular brands like Ford, Toyota, Honda, Chevrolet, and RAM. When you're ready to upgrade, our finance center is here to assist with flexible financing options and trade-in assistance.
Thank you for choosing Wilson County Chevrolet Buick GMC as your trusted Tennessee truck dealership, proudly serving drivers near Lebanon, Gallatin, Mt. Juliet, and Murfreesboro.