To estimate the price of the 2020 Changan CS75 I4 1.8L Turbocharged Plus Trend (Base) with 207000 km mileage, I considered the following data points: 1. A 2018 Changan CS75 I4 1.8L Turbocharged Plus Trend (Base) with 141000 km sold for 27000 SAR in September 2023. 2. A 2020 Changan CS75 I4 1.8L Turbocharged Plus Trend (Base) with 84000 km sold for 38000 SAR in July 2024. 3. Another 2020 Changan CS75 I4 1.8L Turbocharged Plus Trend (Base) with 84000 km sold for 39000 SAR in August 2024. 4. The listed price for a similar 2020 Changan CS75 I4 1.8L Turbocharged Plus Trend (Base) with 207000 km is 40000 SAR. Considering the higher mileage of the target car (207000 km) compared to the sold cars, I adjusted the price downwards. The 2018 model with 141000 km sold for 27000 SAR, and the 2020 models with 84000 km sold for around 38000-39000 SAR. Given the significant mileage difference, I estimated a lower price for the target car.