To estimate the price of the 2019 Porsche Cayenne S V6 2.9L Twin Turbo with 81980 km mileage, I considered the following data points: 1. Selling prices of similar cars: The 2020 Porsche Cayenne S V6 3.0L with 77000 km sold for SAR 255000 and SAR 220000 in early 2024. The 2018 Porsche Cayenne V6 3.0L with 146000 km sold for SAR 204600 in mid-2024. 2. Listed prices of similar cars: The 2019 Porsche Cayenne S V6 3.0L with 45000 km is listed for SAR 275500, and another with 123500 km is listed for SAR 249000. The 2018 Porsche Cayenne S V6 2.9L Twin Turbo with 82000 km is listed for SAR 250000. 3. Depreciation logic: Assuming a 10% annual depreciation, the 2019 model would have depreciated approximately 50% from its new price. Considering the car's condition and mileage, I adjusted the price accordingly.