To estimate the price of the 2018 Porsche Cayenne S V6 2.9L Twin Turbo with 126900 km mileage, I considered the following data points: 1. Selling prices: A 2020 Porsche Cayenne S 2.9L V6 TC with 100200 km sold for AED 259000 on 2023-12-13. A 2016 Porsche Cayenne S 3.6L V6 with 66500 km sold for AED 153150 on 2023-12-21. 2. Listed prices: A 2018 Porsche Cayenne S V6 2.9L Twin Turbo with 126900 km is listed for AED 200000. Another 2018 model with 121000 km is listed for AED 205000. A 2018 model with 101500 km is listed for AED 223500. 3. Depreciation: Assuming a 10% annual depreciation, the 2020 model's price of AED 259000 would depreciate to approximately AED 207200 in 2024. Considering the 2016 model's price of AED 153150, a similar depreciation logic would place the 2018 model's value around AED 180000. Based on these data points, I estimated the market price by averaging the listed prices and considering the depreciation-adjusted selling prices.