2026 GMC Sierra 1500 AT4
$9,370 more than this car
- 5,323 mi
- 4WD
- 10-Speed Automatic
- Diesel
- Truck
Kia of Covington · Covington, LA · 30 mi away
20,050 miles · truck

Supreme Ford of Slidell right off I10 convenient to North Shore, New Orleans and Bay St. Louis and your local dealer of new F150, Bronco and Explorers. Don't just drive, drive Supreme and save in Slidell. This 2025 GMC Sierra 1500 AT4 delivers premium capability with a modern diesel foundation. The white exterior crew cab short box design combines work-ready versatility with refined aesthetics. Inside, jet black leather with Kalahari accents and perforated trim creates a sophisticated driver environment. The 3.0L diesel I6 paired with a 10-speed automatic provides both power and efficiency, achieving EPA-estimated 22 city / 26 highway MPG. Actual mileage may vary. - Premium Bose 7-Speaker Sound System with SiriusXM 360L Trial Subscription - Navigation System with Multicolor 15 Head-Up Display - Auto-Locking Rear Differential and Hill Descent Control - HD Surround Vision with Bed View Camera and Rear Camera Mirror - Heated and Ventilated Front Seats with Power Adjusters - Spray-On Pickup Bedliner with GMC Logo - Wireless Charging and Wi-Fi Hotspot Capable - Integrated Trailer Brake Controller with Hitch Guidance - Remote Vehicle Starter System with Keyless Open & Start - Lane Keep Assist with Automatic Emergency Braking This Sierra AT4 combines rugged capability with luxury comfort, backed by the Technology Package, AT4 Premium Package, and Trailering Package. The advanced safety suite—including Rear Cross Traffic Braking, Rear Pedestrian Detection, and Forward Collision Alert—keeps you protected in any condition. Come experience this truck's commanding presence and refined engineering at our showroom. We're ready to put you behind the wheel.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Among the lowest-priced · 100% of 4 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Price tracked by AutosXchange since Nov 6, 2026. No price change at this dealership since Nov 6 ($50,921).
AutosXchange Intel Hub: Price changes for this model in Louisiana · This model in the Intel Hub · Market movers in Louisiana
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2025–2026 Sierra 1500 AT4 · used · any miles · within 50 miles of Slidell, Louisiana. All 4 comparable cars for sale, nearest first.
$9,370 more than this car
Kia of Covington · Covington, LA · 30 mi away
$10,074 more than this car
Mossy Motors · New Orleans, LA · 31 mi away
$6,979 more than this car
Legacy West Bank Buick GMC · Harvey, LA · 33 mi away
$1,440 more than this car
Lakeshore CDJR of Kenner · Kenner, LA · 36 mi away
2026 GMC Sierra 1500 AT45,323 miles · Kia of Covington · Covington, LA · 30 mi away$60,291$9,370 more than this car
2026 GMC Sierra 1500 AT49,240 miles · Mossy Motors · New Orleans, LA · 31 mi away$60,995$10,074 more than this car
2026 GMC Sierra 1500 AT46,460 miles · Legacy West Bank Buick GMC · Harvey, LA · 33 mi away$57,900$6,979 more than this car
2025 GMC Sierra 1500 AT439,025 miles · Lakeshore CDJR of Kenner · Kenner, LA · 36 mi away$52,361$1,440 more than this carAll years and trims. Nearest first.
Legacy GMC · Slidell, LA · 0 mi away
Legacy GMC · Slidell, LA · 0 mi away
Legacy GMC · Slidell, LA · 0 mi away
Legacy GMC · Slidell, LA · 0 mi away
Legacy GMC · Slidell, LA · 0 mi away
Legacy GMC · Slidell, LA · 0 mi away
Legacy GMC · Slidell, LA · 0 mi away
Legacy GMC · Slidell, LA · 0 mi away
2025 GMC Sierra 1500 SLT80,188 miles · Legacy GMC · Slidell, LA · 0 mi away$38,988
2025 GMC Sierra 1500 Denali14,654 miles · Legacy GMC · Slidell, LA · 0 mi away$58,686
2025 GMC Sierra 1500 AT49,757 miles · Legacy GMC · Slidell, LA · 0 mi away$59,988
2025 GMC Sierra 1500 AT423,023 miles · Legacy GMC · Slidell, LA · 0 mi away$64,988
2025 GMC Sierra 3500 HD Denali Ultimate77,900 miles · Legacy GMC · Slidell, LA · 0 mi away$74,988
2025 GMC Sierra 2500 HD Denali Ultimate31,505 miles · Legacy GMC · Slidell, LA · 0 mi away$79,988
2024 GMC Sierra 1500 Elevation35,897 miles · Legacy GMC · Slidell, LA · 0 mi away$38,788
2024 GMC Sierra 1500 SLT83,156 miles · Legacy GMC · Slidell, LA · 0 mi away$39,988