Heavy-Duty Luxury Without Compromise! The 2025 GMC Sierra 3500 Denali is where serious heavy-duty capability meets premium luxury. Built for drivers who demand maximum power and top-tier comfort, this truck is ready to handle the toughest jobs while delivering a first-class driving experience around Vancouver Island. Under the hood, the Sierra 3500 Denali offers a 6.6-litre Duramax� turbo-diesel V8, paired with a 10-speed Allison automatic transmission for smooth, confident performance under load. Inside, the Denali trim delivers a premium experience with leather seating, real wood trim, heated and ventilated seats, and a massive 13.4-inch touchscreen paired with a 12.3-inch digital driver display. With its combination of massive towing capability, diesel power, advanced tech, and high-end luxury, the 2025 GMC Sierra 3500 Denali is built for those who want the best of everything in a heavy-duty truck. Come see the 2025 GMC Sierra 3500 Denali today at River City Ram, where power meets premium performance!