To estimate the price of the 2018 Hyundai Sonata I4 2.4L Smart (Mid) with 143393 km mileage, I considered the following data points: 1) A similar car with 135000 km sold for 44000 SAR on 2024-01-15. 2) Another similar car with 125000 km sold for 36000 SAR on 2024-04-29. 3) A similar car with 100000 km sold for 59000 SAR on 2024-05-10. 4) Another similar car with 125000 km sold for 32000 SAR on 2024-06-04. 5) A similar car with 135000 km was listed for 46000 SAR but delisted on 2024-01-16. 6) Another similar car with 125000 km was listed for 34000 SAR but delisted on 2024-06-05. Considering the average selling prices and adjusting for the higher mileage of the target car, I estimated the market price accordingly.