
2026 GMC Sierra 1500
Mileage: 5 ยท Slidell, LA
2026 GMC Sierra 1500 SLT Crew Cab RWD
Slidell, LA
$52,220
MSRP
$64,970
Dealer rating
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Features
Mileage
5
Drivetrain
4X2
Exterior color
Onyx Black
Interior color
Jet Black
MPG
25 MPG
Engine
3L I6 Diesel
Fuel type
Diesel
Transmission
Automatic
Finance in advance
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2026
- Trim:SLT RWD
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Jet Black
- Mileage:5 mi
- Condition:New
- VIN:1GTUHDE88TZ127191
- Stock number:26G1339
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:25 MPG
- City gas mileage:23 MPG
- Highway gas mileage:28 MPG
- Fuel type:Diesel
Performance
- Transmission:Automatic
- Drivetrain:4X2
- Engine:3L I6 Diesel
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:69 in
Options
Engine, Duramax 3.0L Turbo-Diesel I6
Max Trailering Package
Onyx Black
SLT Premium Plus Package
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 $3,250.
Dealer

Dealer reviews
Dealer's description
Legacy Buick GMC is excited to offer this 2026 GMC Sierra 1500 SLT. This GMC includes: MAX TRAILERING PACKAGE TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED Transmission w/Dual Shift Mode A/T 10-Speed A/T ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 Diesel Fuel Straight 6 Cylinder Engine Turbocharged SLT PREMIUM PLUS PACKAGE Aluminum Wheels Bed Liner Running Boards/Side Steps ONYX BLACK *Note - For third party subscriptions or services, please contact the dealer for more information.* There's a level of quality and refinement in this GMC Sierra 1500 SLT that you won't find in your average vehicle. The GMC Sierra 1500 SLT will provide you with everything you have always wanted in a car -- Quality, Reliability, and Character. You could keep looking, but why? You've found the perfect vehicle right here. 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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* Fuel economy figures shown are provided from EPA mileage estimates and may not be comparable across different model years. Actual mileage will vary, depending on specific options selected, vehicle maintenance and your driving habits
Vehicle information is provided by the seller or other third parties; CarGurus is not responsible for the accuracy of such information. Price may exclude certain taxes, fees, and/or charges. See seller for details.







