This 2026 GMC Sierra 1500 AT4 is a rugged and capable off-road pickup that's ready to take on any adventure. Boasting a powerful EcoTec3 6.2L V8 engine mated to a smooth-shifting 10-speed automatic transmission, this Sierra AT4 delivers impressive performance and efficiency with 14 city/17 highway MPG. - BLUETOOTH - HEATED SEATS - HEATED STEERING WHEEL - Clean CARFAX - LOW,LOW MILES - Rear Back Up Camera - USB PORT Equipped with the premium AT4 package, this Sierra features a host of off-road-focused upgrades, including an off-road suspension, locking rear differential, skid plates, and all-terrain tires. The interior is equally well-appointed, with luxurious leather seating, a premium Bose audio system, and a suite of advanced connectivity and safety technologies. This Sierra 1500 AT4 has been meticulously inspected and is certified by our dealership, giving you the peace of mind that comes with a trusted pre-owned vehicle. With low miles and a clean CARFAX history, this truck is ready to take you wherever the road, or trail, may lead. The Sierra AT4 is the perfect blend of capability, comfort, and style, making it an exceptional choice for those seeking a versatile and well-equipped pickup. Visit us today to experience this remarkable vehicle firsthand and discover why the GMC Sierra AT4 is the ultimate off-road companion. MARKET VALUE PRICING at Tera Chevy, and GMC! Shop, compare and Buy with complete confidence at Tera Chevy GMC. With Market Value Pricing, you'll find our competitive market-based price on every pre-driven vehicle upfront, No games, No hassles, Just Real Prices! For over 56 years, proudly serving the towns of Sandwich, Yorkville, Plano, Somonauk, Oswego, Montgomery, Sugar Grove, Aurora, Sheridan, Ottawa, Dekalb, Naperville, and the surrounding Chicagoland and Midwest Illinois area.