To estimate the price of the 2020 Hyundai Elantra I4 1.6L Smart (Base) with 101000 km mileage, I considered several data points. First, I looked at the selling prices of similar cars. The 2020 Hyundai Elantra I4 2.0L GLS (Top) with 103000 km sold for 64500 SAR on 2024-04-17. The 2021 Hyundai Elantra I4 2.0L GL (Mid) with 104000 km sold for 47500 SAR on 2024-06-29. The 2022 Hyundai Elantra I4 2.0L GL (Mid) with 63000 km sold for 59000 SAR on 2024-01-28. The 2018 Hyundai Elantra I4 2.0L GLS (Top) with 80000 km sold for 50000 SAR on 2024-05-10. The 2022 Hyundai Elantra I4 2.0L Turbo Charged GLS (Top) with 20000 km sold for 110000 SAR on 2024-05-19. The 2022 Hyundai Elantra I4 2.0L Smart (Base) with 22000 km sold for 59000 SAR on 2023-07-27. The listed prices for similar 2020 Hyundai Elantra I4 1.6L Smart (Base) models are around 54000-55000 SAR. Considering the car's condition, mileage, and the fact that it is a base variant, I adjusted the price downwards from the higher trim levels and took into account the listed prices which are generally higher than actual selling prices.