First, I considered the selling prices of similar cars. The most relevant data point is the 2017 Mercedes G63 AMG 5.5L TC V8 with 140000 km sold for AED 190500 on 2024-08-27, which is very close in mileage and condition to the target car. Another relevant data point is the 2018 model with 88360 km sold for AED 285000 on 2024-06-15, but it has lower mileage and is a year newer. The 2017 model with 44000 km sold for AED 340000 on 2023-10-19, but it has significantly lower mileage and is in better condition. The accepted offer of AED 190000 for a similar car with 140000 km on 2024-08-27 further supports the selling price. Listed prices are generally higher, with one car listed for AED 260000 and another for AED 225000, but these are not as reliable as actual selling prices. Considering the target car's higher mileage of 150000 km and average condition, I estimate the market price to be slightly lower than the most relevant selling price of AED 190500.