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