Pre-Owned 2026 GMC Sierra 1500 AT4 For Sale New Richmond, WI

2026 GMC Sierra 1500 AT4 Crew Cab Exclusive to Johnson Motors of St. Croix FallsIntroducing a truly standout truck: the 2026 GMC Sierra 1500 AT4 Crew Cab with the Medium Bed, a uniquely equipped 4x4 pickup built for drivers who demand capability, comfort, technology, and unmistakable GMC AT4 attitude. This exceptional Sierra is only found at Johnson Motors of St. Croix Falls, giving you the opportunity to own a configuration that is anything but ordinary.Finished in Onyx Black with a distinctive Jet Black interior accented with Kalahari details, this Sierra delivers a premium appearance inside and out. The AT4 design is complemented by running boards, LED headlamps and daytime running lights, fog lamps, red recovery hooks, a spray-on bed liner, integrated tailgate step, and a power sunroof. A rear defroster and heated, power-adjustable mirrors with memory add everyday convenience, while the rugged AT4 personality makes it clear this truck is ready for more than the daily commute.Under the hood is a 6.2L V8 paired with a 10-speed automatic transmission and four-wheel drive, delivering the kind of power and confidence expected from a full-size AT4. The truck is equipped with an active dual exhaust with Sport Mode, a locking/limited-slip rear differential, four-wheel disc brakes, traction and stability control, and heavy-duty air filtration. An available heavy-duty 220-amp alternator further enhances the truck's capability. Whether you're towing, hauling, heading off the pavement, or simply enjoying the open road, this Sierra is engineered to perform.The AT4 Premium Package adds running boards, while the Technology Package brings a head-up display and HD surround vision. The AT4 Preferred Package adds a universal garage door opener and sliding rear window. The truck also features a 60/40 split-fold rear seat with storage package and fold-flat floor, providing flexible space for passengers, gear, tools, and everything in between. A Trailering Package with trailer hitch adds even more versatility for weekend adventures and work.Inside, this Sierra combines rugged capability with upscale comfort. The cabin features leather-appointed seating, heated front seats, heated and cooled front seats, power driver and passenger seats, driver memory, adjustable lumbar support, a heated steering wheel, and steering-wheel audio controls. Remote engine start, keyless entry, keyless start, power locks, and power windows make everyday use effortless. Dual-zone climate control and rear air vents help keep everyone comfortable, while the premium interior trim gives the cabin a refined, sophisticated atmosphere.Technology is a major highlight. The Sierra features a premium sound system, navigation, a large aerial view display system, satellite radio, Wi-Fi hotspot capability, Bluetooth® connectivity, Apple CarPlay and Android Auto, smart device integration, auxiliary audio input, and multiple MP3-compatible functions. The head-up display helps keep important driving information in your line of sight, while the HD surround vision and backup camera provide added awareness when maneuvering.Safety and driver assistance are equally impressive, with front collision warning, front collision mitigation, lane departure warning, lane keeping assist, automatic high beams, rear parking aid, blind-spot monitoring, driver monitoring, and a comprehensive airbag system. These features are designed to provide additional confidence whether you're navigating crowded streets, highways, job sites, or the driveway.From its powerful 6.2L V8 and 4WD capability to its leather interior, advanced technology, sunroof, premium audio, surround vision, and extensive driver-assistance features, this 2026 GMC Sierra 1500 AT4 is exceptionally well equipped.Unique configuration. Serious capability. Premium comfort. Distinctive AT4 styling. And available exclusively at