• 2026 GMC Sierra 3500HD Chassis Truck Pro 4x4
• 2026 GMC Sierra 3500HD Chassis Truck SLE 4x2
• 2026 GMC Sierra 3500HD Chassis Truck Pro 4x4
• 2026 GMC Sierra 3500HD Chassis Truck SLE 4x4
• 2026 GMC Sierra 3500HD Chassis Truck Pro 4x2
• 2026 GMC Sierra 3500HD Chassis Truck SLE 4x4
• 2026 GMC Sierra 3500HD Chassis Truck SLE 4x4
• 2026 GMC Sierra 3500HD Chassis Truck Pro 4x2
• 2026 GMC Sierra 3500HD Chassis Truck Pro 4x4
• 2026 GMC Sierra 3500HD Chassis Truck SLE 4x2
• 2026 GMC Sierra 3500HD Chassis Truck Pro 4x2
• 2026 GMC Sierra 3500HD Chassis Truck SLE 4x2