To estimate the price of the 2017 Hyundai Sonata GL (Base) with 154000 km mileage and average condition, I primarily considered the selling prices of similar cars. The closest match is a 2017 Hyundai Sonata GL (Base) with 105200 km sold for AED 24500 on 2023-10-23. Another relevant data point is a 2017 Hyundai Sonata GL (Base) with 144000 km, where an offer of AED 22000 was accepted on 2023-09-15. Given the higher mileage of the target car, I adjusted the price downwards. Additionally, a 2017 Hyundai Sonata GL (Base) with 105200 km was listed for AED 24500 but delisted on 2023-10-24, indicating a likely selling price around that range. Considering these factors and the higher mileage of the target car, I estimate the market price accordingly.