
2026 GMC Sierra 3500HD
Mileage: 6 · Slidell, LA
2026 GMC Sierra 3500HD Denali Crew Cab LB DRW 4WD
Slidell, LA
$84,165
MSRP
$95,165
Dealer rating
Request information
Features
Mileage
6
Drivetrain
Four-Wheel Drive
Exterior color
Sterling 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:Sterling Metallic
- Interior color:Jet Black
- Mileage:6 mi
- Condition:New
- VIN:1GT4UWEY7TF178609
- Stock number:26G1714
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 $10,500.
Dealer

Dealer reviews
Dealer's description
Contact Legacy Buick GMC today for information on dozens of vehicles like this 2026 GMC Sierra 3500HD Denali. This GMC includes: WHEELS, 18'' Aluminum Wheels STERLING METALLIC GVWR, 14,000 LBS Dual Rear Wheels ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY 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.* Pull up in the vehicle and the valet will want to parked on the front row. This GMC Sierra 3500HD Denali is the vehicle others dream to own. Don't miss your chance to make it your new ride. This vehicle comes with 4WD for better traction on unstable surfaces, like snow and dirt to give you the edge over anything you might encounter on the road. The 2026 GMC exterior is finished in a breathtaking Sterling Metallic, while being complemented by such a gorgeous Jet Black interior. This color combination is stunning and absolutely beautiful! 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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