* ENGINE DURAMAX 6.6L TURBO-DIESEL V8 * * AT4 PREMIUM PLUS PACKAGE * * GOOSENECK / 5TH WHEEL PREP PACKAGE * The 2026 GMC Sierra 3500HD AT4 Crew Cab Pickup in Onyx Black combines power and luxury for an unrivaled driving experience in Cochrane. Equipped with the formidable Duramax 6.6L Turbo-Diesel V8 engine, this truck boasts an impressive 470 horsepower and 975 lb-ft of torque, ensuring exceptional towing and hauling capabilities. The 10-speed automatic transmission delivers seamless shifts for optimal performance on any terrain. This Sierra 3500HD is adorned with the AT4 Premium Plus Package, which includes a power sunroof, Technology Package, and Off-Road High Clearance step. Its luxurious Jet Black interior with Kalahari accents features perforated front leather seating surfaces, a heated steering wheel, and heated and cooled front seats, offering ultimate comfort and style. Designed for versatility, the Gooseneck / 5th Wheel Prep Package makes it easy to accommodate various towing needs, complete with a hitch platform and bed-mounted 7-pin trailer harness. This truck also comes with advanced safety features, such as Front Collision Mitigation, Blind Spot Monitor, and Adaptive Cruise Control, providing peace of mind on the road. Why Choose Cochrane GM for Your New Vehicle? - Access to the Latest GM Models - Flexible Financing & Leasing Solutions - Top Trade-In Value for Your Current Vehicle - Knowledgeable Vehicle Specialists to Assist You - Proudly Serving the Cochrane Community - Visit us at 2 Westside Drive, Cochrane - Call us at[Phone Removed] to book your test drive today!