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Highlights Polygon key standard features SAFETY + DRIVER ASSISTANCE + SECURITY Rear Vision Camera3 (camera and cable shipped loose) PERFORMANCE 6.6L Duramax® ... 1 Premium paint; additional charge. 2 Maximum Gross Vehicle Weight Rating (GVWR). When properly equipped; includes we... 2024 Chevrolet Silverado 4500 HD 1LT shown. Chevrolet Silverado 4500 HD/5500 HD/ 6500 HD Chassis Cab ,Auburn Metallic,,Black,,Dark Ash Metallic,,Glacier Blue Metallic1,,Greenstone Metallic,,Lakeshore Blue Metalli... NOTE: Exterior colors vary by trim level. See Order Guide for details. available models exterior colors Regular Cab 2WD or 4WD 1WT Crew Cab 2WD or 4WD 1WT Regular Cab 2WD or 4WD 1LT Crew Cab 2WD or 4WD 1LT GraphicLine GraphicLine Features based on 4500 HD Work Truck 2WD model with 1WT equipment group. UP TO 23,500 LBS. Max. Available GVWR2 AVAILABLE 9 WHEELBASE Options STANDARD 6.6L V8 DURAMAX® Turbo Diesel Engine GraphicLine GraphicLine 2026