This **2021 GMC Sierra 1500 AT4 4WD Crew Cab** in **Cayenne Red** is a **high-demand, off-road-ready premium truck that combines diesel efficiency, rugged capability, and upscale refinementpriced to move and built to stand out**available now at **Newberg Chevrolet** and serving drivers across the **Portland metro, Salem, McMinnville, Dundee, Sherwood, Yamhill County, and the Oregon Coast**.Powered by the efficient and torque-rich **3.0L Duramax I6 turbo diesel engine** paired with a **10-speed automatic transmission**, this Sierra delivers smooth, responsive performance with impressive fuel efficiency for a full-size truck. The **4WD system** and factory off-road tuning make it ideal for **Pacific Northwest terrain, towing, job sites, and weekend adventures**. With just **20,874 miles**, this AT4 offers a rare combination of **low mileage, diesel power, and premium capability**.The **AT4 trim** is built for drivers who want both rugged performance and elevated comfort. Featuring **factory off-road suspension, aggressive styling, and signature AT4 design**, this truck stands apart from standard pickups. Inside, the **Jet Black interior with Kalahari accents** delivers a premium, distinctive cabin with upscale materials and a spacious crew cab layout. The **Cayenne Red exterior** adds a bold, eye-catching finish that enhances its strong road presence.Built to perform, the Duramax diesel produces approximately **277 horsepower and 460 lb-ft of torque**, offering excellent towing capability and long-distance efficiency when properly equipped. It also includes modern technology such as **Apple CarPlay, Android Auto, advanced infotainment, and driver-assist features**, giving you the perfect balance of strength, comfort, and connectivity.If youve been searching for a **GMC Sierra 1500 AT4 for sale near Newberg, Portland, or Salem**, or need a **diesel 4WD truck for driving across Oregon and the Coast**, this one stands out with its **low miles, premium trim, and highly desirable Duramax engine**. Trucks like thisespecially **AT4 models with diesel power and this color combination**are **in high demand and dont stay on the market long**.**Aggressive, capable, and refinedthis Sierra 1500 AT4 wont last. Contact us today or stop by to see it in person before its gone.**