To estimate the price of the 2020 Changan CS75 I4 1.8L Turbocharged Plus Limited (Top) with 141000 km mileage and average condition, I considered the following data points: 1. A similar car with 109000 km, good condition, sold for 41000 SAR on 2023-09-23. 2. Another similar car with 131000 km, average condition, sold for 46000 SAR on 2024-07-28. 3. A 2018 model with the same mileage and average condition, but a lower trim (Plus Trend), sold for 27000 SAR on 2023-09-15. 4. A 2020 model with 74000 km, good condition, sold for 41600 SAR on 2023-09-17. 5. A 2019 model with 88000 km, average condition, sold for 38000 SAR on 2023-10-25. 6. A 2020 model with 86000 km, average condition, mid trim (Plus Smart), sold for 39000 SAR on 2023-11-21. 7. A 2021 model with 89000 km, average condition, sold for 62000 SAR on 2023-12-14. 8. A 2021 model with 45000 km, sold for 39000 SAR on 2024-01-25. 9. A 2019 model with 170000 km, sold for 31500 SAR on 2024-04-01. 10. A 2022 model with 114000 km, good condition, sold for 53000 SAR on 2024-04-30. 11. A 2021 model with 52000 km, average condition, sold for 42000 SAR on 2024-07-24. 12. A 2020 model with 84000 km, good condition, lower trim (Plus Trend), sold for 38000 SAR on 2024-07-26. 13. A 2020 model with 84000 km, good condition, lower trim (Plus Trend), sold for 39000 SAR on 2024-08-03. Considering the higher mileage and average condition of the target car, I adjusted the price downwards from the higher selling prices of similar cars with lower mileage and better condition.