To estimate the price of the 2021 Geely Coolray I4 1.5L Turbo Charged GC (Mid) with 75000 km mileage and average condition, I considered the following data points: 1. Selling prices of similar cars: - A 2021 Geely Coolray I3 1.5L GC (Mid) with 35409 km and good condition sold for 52000 SAR on 2023-09-23. - A 2021 Geely Coolray I4 1.5L GF Plus (Top) with 30000 km and good condition sold for 52000 SAR on 2023-12-19. - A 2021 Geely Coolray I4 1.5L GF Plus (Top) with 47000 km and average condition sold for 46000 SAR on 2024-02-21. - A 2021 Geely Coolray I4 1.5L Turbo Charged GC (Mid) with 79000 km and good condition sold for 48500 SAR on 2024-04-02. - A 2021 Geely Coolray I4 1.5L GF Plus (Top) with 47000 km and average condition sold for 45000 SAR on 2024-05-04. 2. Listed prices of similar cars: - A 2021 Geely Coolray I4 1.5L Turbo Charged GC (Mid) with 75000 km listed for 43000 SAR. - A 2021 Geely Coolray I4 1.5L Turbo Charged GC (Mid) with 79000 km listed for 48500 SAR. - A 2021 Geely Coolray I4 1.5L Turbocharged GC (Mid) with 40000 km listed for 57500 SAR. - A 2021 Geely Coolray I3 1.5L GC (Mid) with 35409 km listed for 52000 SAR. Considering the selling prices, the car with the closest condition and mileage to the target car sold for 48500 SAR. Given the target car's average condition and higher mileage, I adjusted the price downwards. The listed price of 43000 SAR for a similar car with the same mileage also influenced the final estimate.