To estimate the price of the 2019 Mazda 6 I4 2.5L R (Mid) with 65000 km mileage, I considered the following data points: 1) Selling prices of similar cars: A 2017 Mazda 6 I4 2.5L R (Mid) with 90000 km sold for 31000 SAR on 2023-10-22. Adjusting for the newer model year and lower mileage, the price should be higher. A 2020 Mazda 6 I4 2.5L Ignite (Top) with 138000 km sold for 69000 SAR on 2024-06-12. Adjusting for the lower trim and lower mileage, the price should be lower. 2) Listed prices of similar cars: A 2020 Mazda 6 I4 2.5L R (Mid) with 54000 km was listed for 79000 SAR, and a 2020 Mazda 6 I4 2.5L R (Mid) with 79500 km was listed for 73500 SAR. These listings suggest a price range for a similar car. Considering the car's condition, mileage, and the most relevant data points, I estimated the market price accordingly.