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Led by the first-ever Sierra Heavy Duty Denali Ultimate, the 2024 model year takes the Sierra HD lineup to new heights with premium luxury and comfort, turbocharged pulling power and elevated technology — offering the most trailering assistance technology in its class. The 2024 Sierra HD lineup is elevated with styling and design updates, inside and out. Exterior highlights include: Revised front bumper, fascia, grille designs and finishes on each trim Animated lighting when approaching, starting, or when using the turn signals New wheel designs on SLE, AT4, Denali and larger 18-inch polished aluminum wheels on dual rear-wheel models New 22-inch accessory wheels Six new exterior colors (extra cost): Titanium Rush Metallic, Sterling Metallic, Volcanic Red Tintcoat, Redwood Metallic, Meteorite Metallic and Downpour Metallic Rear wheelhouse liners standard on Denali and Denali Ultimate dual rear-wheel models The Allision 10-speed automatic transmission is n
