Buy Online with Confidence. We Ship! No hidden fees, transparent no-haggle pricing, No required add-ons, and vehicles market-priced daily at Vaughn Automotive. Ask for your Out-The-Door Price Today!- Power Sunroof- Technology Package with HD Surround Vision and Rear Camera Mirror- Driver Alert Package II with Automatic Emergency Braking and Lane Keep Assist- 20 Machined Aluminum Wheels with Carbon Grey Metallic Accents- AT4 Premium Package with High Clearance Step- EcoTec3 6.2L V8 Engine with Dynamic Fuel Management- Premium Bose 7-Speaker Sound System with Navigation- Adaptive Cruise Control and IntelliBeam Automatic High Beams- Heated and Ventilated Front Seats- Multicolor 15 Head-Up Display- ProGrade Trailering System with Integrated Trailer Brake Controller- Spray-On Pickup Bed Liner with AT4 Logo- Apple CarPlay and Android Auto- Wireless Charging- 4G LTE Wi-Fi Hotspot CapableVehicle Detailed4 New Tires InstalledThis 2021 GMC Sierra 1500 AT4 delivers capability and comfort in white with a commanding presence on the road. Equipped with the powerful EcoTec3 6.2L V8 engine and 10-speed automatic transmission, this truck provides strong performance with 15 city and 19 highway mpg. The 4WD system ensures confident handling in various driving conditions, while the off-road suspension and hill descent control demonstrate the AT4's serious capability.The interior combines luxury and functionality with perforated leather-appointed front seating, heated and ventilated options, and premium appointments throughout. The 8 digital driver information center keeps you informed, while the multicolor 15 head-up display projects essential driving data directly in your line of sight. Dual-zone automatic temperature control and the remote vehicle starter system add everyday convenience to your driving experience.Technology enhances both safety and connectivity. The premium GMC infotainment system with navigation, combined with Apple CarPlay and Android Auto compatibility, keeps you connected and on course. Advanced safety features including forward collision alert, lane keep assist, automatic emergency braking, and front pedestrian braking work together to provide protection on every journey. The HD surround vision system with rear camera mirror and bed view camera eliminates blind spots, while ultrasonic front and rear park assist makes maneuvering easier.For those who tow or haul, the ProGrade Trailering System with integrated trailer brake controller and in-vehicle trailering app provides the tools you need. The spray-on pickup bed liner protects your cargo, and the red recovery hooks add practical functionality. At 138,147 miles, this Sierra has been thoroughly inspected with a completed dealer inspection available upon request, a recent oil change, new wiper blades, and four new tires installed.The truck's exterior features 20 machined aluminum wheels with carbon grey metallic accents, fully automatic headlights with IntelliBeam technology, front fog lights, and a power sunroof that opens up your driving experience. The body-color surround grille and deep-tinted glass contribute to the truck's refined appearance, while perimeter lighting enhances visibility and aesthetics.Vaughn Powertrain Coverage provides peace of mind with a 90-day, 3,000-mile powertrain limited warranty backed by a comprehensive 165-point inspection. This truck is ready for work or weekend adventures, offering the versatility and quality that Sierra owners expect.With Vaughn Best Deal Pricing, there is no arguing just a great deal. We make buying a vehicle fast, easy, and fun.Online price excludes $25 title fee, $15 electronic processing fee, $10 lien fee (if applicable), and a $180 Vaughn processing fee. Iowa buyers will pay Iowa use tax and license at delivery. Out-of-state buyers will pay their local tax, license, and ap