To estimate the price of the 2015 Porsche Cayenne S V6 3.6L Twin Turbo with 195000 km mileage, I considered the following data points: 1) A 2014 Porsche Cayenne V6 3.6L Turbocharged with 127000 km sold for 76500 SAR on 2023-10-18. 2) A 2014 Porsche Cayenne S V8 4.8L Twin Turbo with 187000 km sold for 90000 SAR on 2023-11-25. 3) A 2013 Porsche Cayenne V6 3.6L with 89000 km sold for 110000 SAR on 2024-01-19. 4) A 2016 Porsche Cayenne V8 4.8L Turbo Charged with 64000 km sold for 185000 SAR on 2024-03-07. 5) A 2015 Porsche Cayenne GTS V6 3.6L Twin Turbo with 138000 km sold for 110000 SAR on 2024-04-19. Additionally, I considered the listed prices: 1) A 2015 Porsche Cayenne S V6 3.6L Twin Turbo with 195000 km listed for 140000 SAR. 2) A 2015 Porsche Cayenne V6 3.6L with 186000 km listed for 100500 SAR. Given the car's higher mileage and average condition, I adjusted the price downwards from the listed prices and considered the selling prices of similar cars.