Home » HD Road Test Review – 2015 GMC Yukon Denali XL 4×4 with New 8-Speed Automatic » 2015 GMC Yukon DENALI XL 61 2015 GMC Yukon DENALI XL 61 Home » HD Road Test Review – 2015 GMC Yukon Denali XL 4×4 with New 8-Speed Automatic » 2015 GMC Yukon DENALI XL 61