The car to be estimated is a 2016 Hyundai Accent 1.4L GL (Mid) hatchback with 173500 km mileage. The most relevant data point is a 2016 Hyundai Accent 1.6L hatchback with 121000 km, sold for 18000 AED on 2023-08-01. This car is similar in year and body type but has a larger engine and lower mileage. Considering the higher mileage of the target car, a reduction in price is reasonable. Other 2016 models with similar engine sizes but different body types (sedans) sold for around 22000 AED with lower mileage. Given the target car's higher mileage and average condition, a further reduction is justified. The 2015 models with similar specs and mileage sold for between 16500 and 23259 AED, indicating a depreciation trend. Considering all factors, the estimated price is adjusted to reflect the higher mileage and average condition of the target car.