To estimate the price of the 2014 Nissan Altima SV I4 2.5L in bad condition with 281000 km mileage, I considered the following data points: 1) A 2014 Nissan Altima SV with 160000 km in average condition sold for 23000 AED on 2023-11-07. Given the higher mileage and worse condition of the target car, a significant reduction is necessary. 2) A 2015 Nissan Altima SV with 182000 km in average condition sold for 19500 AED on 2024-04-30. Again, the target car's higher mileage and worse condition warrant a reduction. 3) A 2012 Nissan Altima with 285700 km in average condition sold for 16000 AED on 2023-10-15. This car's similar high mileage but better condition suggests a lower price for the target car. 4) A 2013 Nissan Altima with 261916 km in average condition sold for 12000 AED on 2024-06-22. This car's lower mileage but better condition also suggests a lower price for the target car. 5) A 2014 Nissan Altima SV with 266200 km was listed for 21000 AED but delisted on 2023-12-14, indicating it likely did not sell at that price. Considering these points, the estimated price is adjusted downwards due to the bad condition and high mileage.