To estimate the price of the 2023 Mazda 6 2.5L S 2.0L S Grade (Base) with 40462 km mileage, I considered the following data points: 1. Selling prices of similar cars: A 2023 Mazda 6 2.5L S Grade (Base+) with 1311 km sold for AED 72000 on 2023-05-28, a 2023 Mazda 6 2.5L V Grade (Mid) with 16731 km sold for AED 75000 on 2024-07-15, and another 2023 Mazda 6 2.5L V Grade (Mid) with 15500 km sold for AED 71000 on 2024-09-11. 2. Offers accepted by sellers: A 2023 Mazda 6 2.0L S Grade (Base) with 18258 km had an offer accepted for AED 81000 on 2024-08-06. Considering the higher mileage and the base variant of the car in question, I adjusted the price downwards from the highest offer accepted. The average selling price of similar cars is around AED 72000, but given the higher mileage and base variant, I estimated a lower price.