The car to be estimated is a 2020 Changan CS95 I4 2.0L Turbocharged Royal (Top) with 163500 km mileage in average condition. The most relevant data points are the selling prices of similar cars. A 2020 Royal (Top) with 115000 km sold for 48000 SAR in May 2024, and another with 88800 km sold for 55500 SAR in January 2024. A 2021 Royal (Top) with 118000 km in average condition sold for 53000 SAR in February 2024. Considering the higher mileage and average condition of the target car, its value should be lower than these. Listed prices for similar cars with similar mileage range from 45000 to 51000 SAR. Given the car's condition and mileage, a reasonable estimate is slightly below the lower end of the listed prices.