Discover the Pinnacle of Pickup Luxury: The 2026 GMC Sierra 1500 SLT2026 GMC Sierra 1500 SLT. This premium full-size pickup offers unparalleled capability, advanced technology, and refined style to elevate your every journey.- 3.0L I-6 Diesel Turbocharged (Duramax) Engine- 10-Speed Automatic Transmission- Intelligent 4-Wheel DriveIndulge in the Sierra SLT's impressive array of premium features:- Perforated Leather-Appointed Front Outboard Seat Trim- Heated Driver and Front Outboard Passenger Seating- 10-Way Power Driver and Passenger Seat Adjusters with Lumbar- Heated Steering Wheel- Wireless Apple CarPlay/Android AutoThis Sierra SLT also boasts a wealth of cutting-edge technology to keep you connected and protected:- Premium GMC Infotainment Audio System with SiriusXM 360L- Wireless Charging- HD Rear Vision Camera- Forward Collision Alert- Automatic Emergency BrakingElevate your driving experience with the uncompromising capability, refined luxury, and advanced technology of the 2026 GMC Sierra 1500 SLT. This exceptional pickup is built to tackle any task with confidence and style.Whether hauling heavy payloads, towing your trailer, or simply enjoying the open road, the Sierra SLT delivers the power, comfort, and cutting-edge features you demand. Experience the pinnacle of pickup luxury today.Why Buy from Southwest Buick GMC LawtonSouthwest Buick GMC makes car buying straightforward with true transparent pricing, no hidden fees, and no market adjustments. We offer strong trade-in values and a wide selection of new Buick and GMC models, certified pre-owned options, and quality used vehicles. We'll buy your car even if you don't purchase from us. Proudly serving drivers in Lawton, Duncan, Chickasha, Elgin, Wichita Falls, Norman, OKC, and surrounding areas. Shop online or stop by today for a dealership experience built on honesty and efficiency. Price includes: $1750 - Purchase Allowance. Exp. 06/30/2026 $500 - Bonus Cash. Exp. 06/30/2026 Price includes dealer added accessories.