To estimate the price of the 2021 Toyota Hiace 3.5L GL Standard with 209451 km mileage, I primarily considered the actual selling prices of similar cars. The closest match is a 2021 Toyota Hiace 3.5L GL with 204825 km sold for AED 101991.5 on 2024-03-13. Other relevant sales include a 2021 Toyota Hiace 3.5L GLS with 214780 km sold for AED 76491.5 on 2024-04-14, and a 2021 Toyota Hiace 3.5L GLS with 229391 km sold for AED 72245.75 on 2024-09-11. The listed prices of similar cars range from AED 79995 to AED 119990, but these are generally higher than actual selling prices. Considering the average condition and mileage of the target car, I adjusted the estimate slightly lower than the highest selling price but higher than the lowest, reflecting its condition and mileage.