The car in question is a 2015 Ford Expedition XLT V6 3.5L EL XLT (Base+) with 279,000 km mileage. The most relevant data point is a 2015 Ford Expedition XLT V6 3.5L Twin Turbo EL XLT (Base+) with 165,250 km sold for 59,500 SAR on 2024-08-12. Adjusting for higher mileage, the price should be lower. A 2014 model with 354,500 km sold for 29,000 SAR on 2023-07-20, indicating a significant depreciation with high mileage. Considering these, the estimated price is adjusted to account for the 2015 model year and mileage difference.