To estimate the price of the 2018 Hyundai Sonata I4 2.4L Smart (Mid) with 197359 km mileage, I considered the following data points: 1) A 2018 Hyundai Sonata I4 2.4L Smart (Mid) with 135000 km sold for 44000 SAR on 2024-01-15. 2) A 2018 Hyundai Sonata I4 2.4L Smart (Mid) with 125000 km sold for 36000 SAR on 2024-04-29. 3) A 2018 Hyundai Sonata I4 2.4L Smart (Mid) with 100000 km sold for 59000 SAR on 2024-05-10. 4) A 2018 Hyundai Sonata I4 2.4L Smart (Mid) with 254000 km sold for 38500 SAR on 2024-07-13. 5) A 2017 Hyundai Sonata I4 2.4L Smart (Mid) with 298000 km sold for 32500 SAR on 2023-11-18. 6) A 2018 Hyundai Sonata I4 2.4L Smart (Mid) with 125000 km sold for 32000 SAR on 2024-06-04. 7) A 2018 Hyundai Sonata I4 2.4L Smart (Mid) with 233000 km was listed for 49500 SAR but delisted on 2024-07-08. Considering the mileage and condition of the target car, I adjusted the price accordingly.