
2026 GMC Sierra 3500HD
Mileage: 6 · Slidell, LA
2026 GMC Sierra 3500HD Denali Crew Cab LB DRW 4WD
Slidell, LA
$84,665
MSRP
$95,165
Dealer rating
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Features
Mileage
6
Drivetrain
Four-Wheel Drive
Exterior color
Downpour Metallic
Interior color
Jet Black
Engine
470 hp 6.6L V8 Biodiesel
Fuel type
Biodiesel
Transmission
Automatic
Alloy wheels
Finance in advance
Overview
- Make:GMC
- Model:Sierra 3500HD
- Year:2026
- Trim:Denali
- Body type:Pickup Truck
- Exterior color:Downpour Metallic
- Interior color:Jet Black
- Mileage:6 mi
- Condition:New
- VIN:1GT4UWEY6TF178679
- Stock number:26G1704
Fuel economy
- Fuel tank size:35 gal
- Fuel type:Biodiesel
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:470 hp 6.6L V8 Biodiesel
- Horsepower:470 hp
Safety
- ABS Brakes
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:98 in
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
Pricing
- Selling slowlyOn the market longer than average. There may be flexibility on price.
- Price decreasedPrice went down by $10,000.
Dealer

Dealer reviews
Dealer's description
This 2026 GMC Sierra 3500HD Denali is proudly offered by Legacy Buick GMC This GMC includes: WHEELS, 18'' Aluminum Wheels GVWR, 14,000 LBS Dual Rear Wheels ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY DOWNPOUR METALLIC LPO, HITCH PACKAGE Tow Hitch ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged DENALI RESERVE PACKAGE Generic Sun/Moonroof Sun/Moonroof GOOSENECK / 5TH WHEEL PREP PACKAGE Tow Hitch TRANSMISSION, 10-SPEED AUTOMATIC A/T 10-Speed A/T *Note - For third party subscriptions or services, please contact the dealer for more information.* You appreciate the finer things in life, the vehicle you drive should not be the exception. Style, performance, sophistication is in a class of its own with this stunning GMC Sierra 3500HD Denali. At home in the country and in the city, this 2026 4WD GMC Sierra 3500HD Denali has been wonderfully refined to handle any occasion. Smooth steering, superior acceleration and a supple ride are just a few of its qualities. Just what you've been looking for. With quality in mind, this vehicle is the perfect addition to take home. Dealer Disclosure: Prices do not include state and local tax, title, license, notarial fees, convenience fees, documentary fees, and any finance charges. All prices, specifications and availability subject to change without notice. Contact dealer for most current information .Not available with special finance, lease and some other offers.
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