
2026 GMC Sierra 2500HD
Mileage: 7 ยท Slidell, LA
2026 GMC Sierra 2500HD AT4 Crew Cab 4WD
Slidell, LA
$81,980
MSRP
$92,480
Dealer rating
Request information
Features
Mileage
7
Drivetrain
Four-Wheel Drive
Exterior color
Sterling Metallic
Interior color
Jet Black With Kalahari Accents
Engine
470 hp 6.6L V8 Biodiesel
Fuel type
Biodiesel
Transmission
Automatic
Sunroof/Moonroof
Finance in advance
Overview
- Make:GMC
- Model:Sierra 2500HD
- Year:2026
- Trim:AT4
- Body type:Pickup Truck
- Exterior color:Sterling Metallic
- Interior color:Jet Black With Kalahari Accents
- Mileage:7 mi
- Condition:New
- VIN:1GT4UPEY5TF138521
- Stock number:26G1664
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:82 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
Contact Legacy Buick GMC today for information on dozens of vehicles like this 2026 GMC Sierra 2500HD AT4. This GMC includes: GOOSENECK / 5TH WHEEL PREP PACKAGE LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE Pickup Bed Tonneau Cover ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY TRANSMISSION, 10-SPEED AUTOMATIC A/T 10-Speed A/T GVWR, 11,350 LBS ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged AT4 PREMIUM PLUS PACKAGE Generic Sun/Moonroof Sun/Moonroof Running Boards/Side Steps LPO, BODY COLOR WHEEL ARCH MOLDINGS STERLING METALLIC *Note - For third party subscriptions or services, please contact the dealer for more information.* Today's luxury vehicle is not just about opulence. It's about a perfect balance of performance, comfort and attention to detail. This 2026 GMC Sierra 2500HD AT4 is the perfect example of the modern luxury. Simply put, this Four Wheel Drive is engineered with higher standards. Enjoy improved traction and safety while driving this 4WD GMC Sierra 2500HD AT4. You can finally stop searching... You've found the one you've been looking for. 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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