To estimate the price of the 2021 Chery Tiggo8 I4 2.0L Top with 42658 km mileage, I considered the following data points: 1) A 2021 Chery Tiggo8 I4 2.0L Turbocharged Top with 141383 km sold for SAR 37500 on 2024-08-05. Given the higher mileage, this car's lower price is expected. 2) A 2023 Chery Tiggo8 Pro Max I4 2.0L Turbocharged Top with 45000 km sold for SAR 71000 on 2024-08-18. This car is newer and in better condition, justifying a higher price. 3) A 2023 Chery Tiggo8 I4 2.0L Standard with 6264 km sold for SAR 85000 on 2023-10-22. This car is newer and in good condition, hence a higher price. 4) A 2021 Chery Tiggo8 I4 2.0L Top with 42658 km is listed for SAR 44000. This is a direct comparison but listed prices are generally higher than selling prices. 5) A 2021 Chery Tiggo8 I4 2.0L Turbocharged Top with 72000 km was listed for SAR 55000 but delisted on 2024-06-25. Considering these data points, I adjusted for the car's age, mileage, and condition to arrive at the estimate.