To estimate the price of the 2021 Changan CS35 Plus I4 1.4L Turbocharged Plus GDI Smart (Mid) with 101500 km mileage, I considered the following data points: 1. A similar 2021 Changan CS35 Plus GDI Smart (Mid) with 53000 km sold for 42000 SAR on 2024-08-11. Given the lower mileage, this car would be valued higher. 2. A 2021 Changan CS35 Plus GDI Limited (Top) with 140700 km sold for 34000 SAR on 2024-05-17. This car has higher mileage and a higher trim, but in average condition. 3. A 2021 Changan CS35 Plus GDI Trend (Base) with 119000 km sold for 36000 SAR on 2024-04-06. This car has higher mileage and a lower trim. 4. A 2023 Changan CS35 Plus GDI Smart (Mid) with 6476 km sold for 53000 SAR on 2024-07-29. This car is newer and has much lower mileage. 5. The listed price for a similar 2021 Changan CS35 Plus GDI Smart (Mid) with 101500 km is 43000 SAR. Considering the actual selling prices and the listed price, I adjusted for the mileage and condition to arrive at the final estimate.