Experience the Pinnacle of Capability and Refinement with the 2026 GMC Sierra 1500 SLT2026 GMC Sierra 1500 SLT. This exceptional full-size pickup combines unparalleled power, advanced technology, and premium comfort to redefine what a truck can be.- 3.0L I-6 Diesel Turbocharged (Duramax) engine delivering 305 hp and 495 lb-ft of torque- Premium Bose 7-speaker sound system for an immersive audio experience- Wireless Apple CarPlay and Android Auto for seamless smartphone integration- Heated and ventilated front seats, along with heated rear outboard seats, for year-round comfort- ProGrade Trailering System with Hitch Guidance and Hitch View for confident towingThe Sierra 1500 SLT's exceptional capability is matched by its refined and luxurious interior. Sink into the perforated leather-appointed front seats and enjoy the convenience of a power-adjustable driver's seat with memory function. The spacious cabin offers ample room for passengers and cargo, while the available 120-volt power outlet in the bed ensures you can power your gear on the go.Safety and technology take center stage in the Sierra 1500 SLT. Advanced driver assistance features like Adaptive Cruise Control, Forward Collision Alert, and Lane Keep Assist provide added peace of mind, while the intuitive GMC Infotainment System with built-in navigation keeps you connected and informed.Whether you're tackling tough jobs or seeking a premium daily driver, the 2026 GMC Sierra 1500 SLT is the ultimate expression of truck capability and refinement. Experience the difference for yourself at Southwest Buick GMC Lawton.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.