The car to be estimated is a 2020 Toyota Corolla I4 1.6L XLI (Base) with 83000 km mileage and average condition. The most relevant data points are the selling prices of similar cars. A 2020 Corolla I4 1.6L XLI (Base) with 102000 km and good condition sold for 51000 SAR on 2024-10-01. Another 2020 Corolla I4 1.6L XLI (Base) with 136593 km and good condition sold for 53000 SAR on 2023-11-07. A 2020 Corolla I4 1.6L XLI (Base) with 181000 km and average condition sold for 53000 SAR on 2024-09-16. Considering the target car's lower mileage and average condition, its value should be slightly lower than the 51000 SAR car due to condition but higher than the 53000 SAR car with much higher mileage. The listed price of a similar car was 52000 SAR, which aligns with these observations. Therefore, the estimated market price is adjusted to reflect the average condition and mileage.