To estimate the price of the 2024 Mazda CX-9 I4 2.5L High+ (Mid) with 100,000 km mileage, I analyzed the selling prices of similar cars. The closest match is the 2023 Mazda CX-9 I4 2.5L High+ (Mid) with 15,000 km sold for 128,000 SAR in February 2024. Considering the higher mileage of the target car, I applied a depreciation adjustment. The 2022 models with higher mileage (52,000 km) sold for 103,000 SAR and 135,000 SAR, indicating a significant depreciation with increased mileage. Given the target car's mileage is almost double, I estimated a further depreciation. The 2022 model with 52,000 km in average condition sold for 103,000 SAR, suggesting a lower price for the target car due to its higher mileage and condition. Thus, I estimated the market price accordingly.