I analyzed the selling prices of similar 2021 Ford Expedition V6 3.5L XLT 4WD (Mid) cars. The selling prices ranged from SAR 167500 to SAR 175000 with mileages between 29600 km and 44000 km. The car in question has a mileage of 37700 km, which is within this range. The most recent sale was for SAR 171000 on 2024-08-06 for a car with 29600 km. Considering the car in question has slightly higher mileage, I adjusted the price slightly lower. Additionally, the listed prices for similar cars were SAR 159500 and SAR 168500, which also supports the estimated price range. Taking all these factors into account, I arrived at the final estimate.