2024 Gmc Yukon Xl SLT Contact for price 756 Smithtown Bypass, Smithtown, NY 11787 More Smithtown, NY GMC Yukon XL's 2024 $100,800 Miles 2024 $80,540 Miles 2024 $92,585 Miles 2024 $105,370 Miles 2024 $98,275 Miles 2024 $79,995 7,326 Miles