Pre-Owned 2026 GMC Sierra 2500HD AT4 For Sale Bossier City, LA

2026 GMC Sierra 2500HD AT4 in Silver with Jet Black and Kalahari leather interior represents premium heavy-duty capability designed for serious work and weekend adventures. This Crew Cab Standard Bed 4WD is powered by the legendary Duramax 6.6L V8 Turbodiesel engine paired with a smooth 10-Speed Automatic transmission, delivering the torque and reliability you demand. With just 17,322 miles, this truck is practically new and ready to serve you for years to come.- Duramax 6.6L V8 Turbodiesel engine with 220-amp alternator- AT4 Premium Plus Package with off-road performance upgrades- Power-retractable black assist steps and spray-on bedliner with GMC logo- Heated and ventilated leather front seats with 10-way power adjustment- Power sunroof and multicolor 15 head-up display- Apple CarPlay and Android Auto with wireless phone projection- Bed view camera with trailer camera provisions and hitch guidance- Off-road suspension with 2-speed active transfer case and hill descent control- BF Goodrich off-road tires on 20 high-gloss black aluminum wheels- All-weather floor liners for 1st and 2nd rowsGMC CarBravo Certified with comprehensive coverage and peace of mind:- 126-Point Inspection- Roadside Assistance- $0 Warranty Deductible- Vehicle History Report- All warranty repairs include parts, labor, and towing to nearest CarBravo dealership (if necessary). Alternative transportation provided during warranty service.- Earn GM Rewards points redeemable toward GMC Certified Service and eligible accessories (membership required at delivery).- 1-month trial of OnStar safety services including Automatic Crash Response and Roadside Assistance- 165+ SiriusXM channels in vehicle; 350+ channels via appThis AT4 combines capability with comfort—engineered for those who refuse to compromise. Visit us today to experience the power, technology, and confidence this Sierra 2500HD delivers on every drive and every job.