To estimate the price of the 2013 Kia Optima GDI I4 2.4L LX (Mid) in bad condition, I considered the following data points: 1) Offers accepted by sellers: A 2015 Kia Optima 2.4L I4 EX (Top) with 153500 miles had an offer accepted for AED 18500 on 2023-09-14. A 2014 Kia Optima 2.4L I4 EX (Top) with 140000 miles had an offer accepted for AED 22000 on 2023-09-16. A 2015 Kia Optima 2.4L I4 EX (Base) with 60200 miles had an offer accepted for AED 24500 on 2024-03-27. 2) Listed prices of similar cars: A 2015 Kia Optima 2.4L EX Mid Option with 115000 miles was listed for AED 22000. A 2012 Kia Optima 2.4L I4 Hybrid LX (Mid) with 139500 miles was listed for AED 15000. A 2014 Kia Optima 2.4L I4 LX (Mid) with 143000 miles was listed for AED 18000. A 2015 Kia Optima 2.4L I4 EX (Base) with 60200 miles was listed for AED 25500. Considering the car's bad condition and higher mileage, I adjusted the price downwards from the average of these data points.