2025 GMC Sierra 1500 Price: $57,790 756 Smithtown Bypass, Smithtown, NY 11787 More Smithtown, NY GMC Sierra 1500's 2025 $64,495 Miles 2025 $66,250 Miles 2025 $66,250 Miles 2025 $66,510 Miles 2025 $72,185 Miles 2025 $57,790 Miles