To estimate the price of the 2015 Mazda CX-9 V6 3.7L High+ Premium (Top) with 255000 km mileage and average condition, I considered the following data points: 1. Selling prices of similar cars: - A similar car with 283000 km mileage and average condition sold for 41000 SAR on 2024-01-17. - Another similar car with 212000 km mileage and average condition sold for 45500 SAR on 2024-03-05. - A car with 243000 km mileage and good condition sold for 46000 SAR on 2023-12-03. - A car with 248000 km mileage and good condition sold for 47000 SAR on 2024-05-05. 2. Listed prices of similar cars: - A car with 239000 km mileage listed for 56000 SAR, delisted on 2024-05-01. - A car with 232000 km mileage listed for 46500 SAR, delisted on 2023-12-26. - A car with 283000 km mileage listed for 41000 SAR, delisted on 2024-01-18. - A car with 288000 km mileage listed for 39500 SAR, delisted on 2024-02-05. - A car with 292000 km mileage listed for 41500 SAR, not delisted. Considering the selling prices, the car with 283000 km and average condition sold for 41000 SAR, which is the closest match. The listed prices are generally higher, but the actual selling prices are more reliable. Given the car's higher mileage and average condition, I adjusted the price slightly lower than the 41000 SAR benchmark.