To estimate the price of the 2021 Nissan Sunny I4 1.5L S A/T (Base) with 144000 km mileage in average condition, I considered the following data points: 1. A 2021 Nissan Sunny I4 1.6L S A/T (Base) with 107400 km in good condition sold for 40000 SAR on 2024-07-02. 2. A 2020 Nissan Sunny I4 1.5L S A/T (Base) with 72000 km in average condition sold for 36500 SAR on 2023-12-27. 3. A 2019 Nissan Sunny I4 1.5L SV (Mid) with 105000 km in average condition sold for 30500 SAR on 2024-02-24. 4. A 2021 Nissan Sunny I4 1.6L S A/T (Base) with 65000 km in good condition sold for 44000 SAR on 2024-03-06. 5. A 2022 Nissan Sunny I4 1.6L S A/T (Base) with 41000 km in average condition sold for 36000 SAR on 2024-03-29. 6. A 2019 Nissan Sunny I4 1.5L S A/T (Base) with 130000 km in average condition sold for 25000 SAR on 2024-05-08. 7. A 2022 Nissan Sunny I4 1.5L SV (Mid) with 48000 km sold for 34500 SAR on 2024-07-07. Additionally, I reviewed listed prices: 1. A 2021 Nissan Sunny I4 1.5L S A/T (Base) with 144000 km listed for 40000 SAR. 2. A 2021 Nissan Sunny I4 1.5L S A/T (Base) with 127500 km listed for 27000 SAR. 3. A 2021 Nissan Sunny I4 1.5L S A/T (Base) with 165000 km listed for 28500 SAR. 4. A 2021 Nissan Sunny I4 1.6L S A/T (Base) with 107400 km listed for 40000 SAR. 5. A 2021 Nissan Sunny I4 1.5L S A/T (Base) with 96000 km listed for 36500 SAR. Considering the selling prices and the listed prices, I adjusted for the higher mileage and average condition of the target car.