GMC Yukon 2021 mileage: 125 KM For sale, very clean GMC Yukon AT4 Mileage: 125k The AT4 trim is considered one of the full trims and closest to the Denali. Hydraulics, electric running boards, and all safety systems found in the Denali. 5.3 engine Body and engine are guaranteed. It has front-end protection only. And heat insulation on all the car's windows. Color: Black Al-Jomaih agency import, and all car maintenance was done at the agency, and the invoices are available at the agency.