The car to be estimated is a 2021 GMC Yukon AT4 V8 5.3L with 101500 km mileage in average condition. The most relevant data point is the 2022 GMC Yukon AT4 V8 5.3L with 38000 km sold for 237000 SAR in March 2024. Adjusting for the year difference and higher mileage, the 2021 model should be valued lower. The 2021 GMC Yukon SLE V8 5.3L with 21000 km sold for 183000 SAR in April 2024, and the same model with 34000 km sold for 185000 SAR in October 2024. The AT4 trim is higher than SLE, so it should be valued higher than 185000 SAR. Considering the mileage and condition, a reasonable estimate is around 200000 SAR. The listed price of a similar 2021 AT4 with higher mileage is 175000 SAR, indicating the market might value it slightly lower. Balancing these factors, the estimated price is 195000 SAR.