2018 GMC Yukon XL Price: $34,936 Centennial, CO More Centennial, CO GMC Yukon XL's 2016 $27,004 Miles 2019 $45,997 Miles 2023 $77,590 Miles 2018 $37,950 96,000 Miles 2018 $35,999 Miles 2022 $65,500 Miles