The car to be estimated is a 2015 GMC Terrain I4 2.4L SLE2 with 156500 km mileage. The closest data point is a 2015 GMC Terrain 2.4L SLE1 with 205000 km, which had an offer accepted at AED 20000. Another 2015 Terrain SLE 3.6L V6 with 166000 km had an offer accepted at AED 21000. A 2016 Terrain SLE 2.4L I4 with 152000 km was listed for AED 33000 but delisted, indicating a likely lower selling price. A 2015 Terrain I4 2.4L SLE2 with 270780 km was listed for AED 19500, suggesting a lower market value due to high mileage. Considering these, the estimated price for the 2015 Terrain I4 2.4L SLE2 with 156500 km is likely around AED 22000, accounting for its average condition and mileage.