Meet this 2021 GMC Sierra 1500 SLT, a silver 4WD pickup truck designed to handle work and weekend adventures with equal capability. With 85,567 miles on the odometer, this truck remains a solid choice for buyers seeking reliability and performance in a full-size platform.This Sierra 1500 SLT is equipped with features that enhance both comfort and functionality:- EcoTec3 5.3L V8 engine with 8-speed automatic transmission- 4WD with off-road suspension and electronic stability control- X31 Off-Road & Protection Package with all-terrain tires and spray-on bed liner- 20-inch polished aluminum wheels- Chrome wheel-to-wheel assist steps- Heated steering wheel and heated front seats- Premium GMC Infotainment System with Apple CarPlay and Android Auto- SiriusXM satellite radio with 360L- ProGrade Trailering System with integrated trailer brake controller- Power-adjustable front seats with lumbar supportThe Sierra's 5.3L V8 delivers solid performance, achieving 14 MPG in the city and 20 MPG on the highway. The truck provides plenty of capability for those who need genuine towing and hauling capacity, backed by the ProGrade Trailering System that includes hitch guidance with integrated camera view and an in-vehicle trailering app to simplify towing tasks.Inside, the cabin balances utility with modern comfort. Dual-zone automatic climate control keeps passengers comfortable regardless of conditions, while the heated steering wheel and heated front seats add convenience during colder months. The premium infotainment system offers wireless smartphone integration through Apple CarPlay and Android Auto, and the truck includes a 4G LTE Wi-Fi hotspot for staying connected on the road.The X31 Off-Road & Protection Package demonstrates this truck's readiness for challenging terrain. The package combines an off-road suspension tuned for rough ground, electronic locking rear differential, hill descent control, and all-terrain tires mounted on 20-inch polished aluminum wheels. The spray-on bed liner protects against wear and weather, while all-weather floor liners preserve the cabin's interior. Chrome accents including the grille, bumpers, and wheel-to-wheel assist steps give the exterior a refined appearance.Why Buy Used from Southwest Buick GMC in Lawton, OK?Southwest Buick GMC offers one of Lawton's most trusted used car buying experiences with upfront pricing, no hidden fees, and solid trade-in values you can actually count on. Every pre-owned vehicle is carefully selected for its quality, offering shoppers a diverse range of dependable options across all makes and models. We keep the process fast, honest, and hassle-free—no games, no surprises. Serving Lawton, Duncan, Chickasha, Elgin, Wichita Falls, Norman, OKC, and surrounding areas. Shop our used inventory online or visit today for a transparent experience from start to finish.