To estimate the price of the 2023 Mazda 6 I4 2.5L V Grade (Mid) with 15500 km mileage, I primarily considered the actual selling prices of similar cars. A similar car with 16731 km was sold for AED 75000 on 2024-07-15. Another similar car with 19196 km was sold by a dealer for AED 72241.5 on 2024-03-16. I also looked at offers accepted by sellers, where a similar car with 16731 km had an accepted offer of AED 75000 on 2024-07-14. Considering the new car price for the 2.5L V Grade variant is AED 95800, and applying a depreciation logic, the estimated price aligns closely with the actual selling prices. Therefore, I used the selling prices and accepted offers as the primary basis for my estimate.