





The 2025 GMC Sierra 3500HD AT4 4WD Crew Cab Standard Box AT4 is a rugged, off-road-ready heavy-duty pickup designed for both work and adventure. Powered by a 6.6L V8 engine producing 401 horsepower and 464 lb-ft of torque, paired with an Allison 10-speed automatic transmission, it offers impressive towing capabilities and off-road performance. The AT4 trim enhances its off-road prowess with features like a 2-inch factory lift, skid plates, and off-road tires. Inside, the Sierra 3500HD AT4 boasts a 13.4-inch Premium GMC Infotainment System with Google built-in, a 12.3-inch digital driver information center, and a premium 7-speaker Bose sound system. Additional comforts include leather seating, heated front and rear seats, a heated steering wheel, and dual-zone automatic climate control.
Contact our sales department at 250-860-7700 for more information. $695 documentation fee, plus a $599 business admin fee will be charged on the purchase of all New and Pre-Owned vehicles from Bannister Cadillac Buick GMC LTD