Used 2021 Gmc Sierra 1500 AT4

Prime Motors Co is proud to present to you this 2021 GMC Sierra 1500 AT4, finished in Dark Gray and built to deliver bold styling, premium comfort, and serious V8 performance. The AT4 trim stands out with its aggressive stance and off-road-focused engineering, making it one of the most desirable configurations in the Sierra lineup. Power comes from a commanding 6.2L V8 engine, paired with rear-wheel drive and 4x4 capability for confident acceleration, strong towing, and versatile performance on- or off-road. Performance-ready and dependable, this Sierra features a smooth automatic transmission, AT4 off-road suspension tuning, and a proven tow/haul setup—perfect for drivers who need capability and comfort in one package. The AT4 value package adds upgraded off-road hardware and thoughtful convenience options for real-world use. Exterior styling commands attention with its Dark Gray finish, bold AT4-specific grille, elevated ride height, and a crew cab layout that balances presence with practicality. Inside, enjoy premium AT4 appointments, a spacious cabin for five, dual-zone automatic climate control, power windows/locks/mirrors, and an advanced infotainment system with remote start for cold mornings. This used 2021 GMC Sierra 1500 AT4 shows 121,171 miles and is a standout choice for anyone searching for a capable full-size truck for sale in Portland. Ready to drive—contact us to schedule a test drive. Visit Prime Motors Co at 2627 SE Holgate Blvd, Portland, OR 97202 or call (971) 512-0578. We're open MonSat 10AM-7PM (PDT).