To estimate the price of the 2021 GMC Yukon 5.3L V8 4WD XL Denali (Top) with 42080 km mileage, I considered several data points. First, a similar 2021 GMC Yukon 5.3L V8 XL SLT (Mid) with 34054 km sold for AED 205250 on 2024-07-03. Given that the Denali (Top) trim is higher, it should be priced higher. Another 2022 GMC Yukon Denali (Top) with 1825 km sold for AED 280000 on 2023-09-11, but this car has much lower mileage and is a year newer. A 2020 GMC Yukon 6.2L V8 XL Denali (Top) with 41000 km sold for AED 165000 on 2024-05-18, but it is older and has a different engine. An offer was accepted for a 2021 GMC Yukon Denali 6.2L V8 with 26500 km at AED 265000 on 2024-04-25, indicating a higher price for the Denali trim. Listed prices include a 2021 GMC Yukon 5.3L V8 4WD XL Denali (Top) with 42080 km for AED 217500, which is very close in specifications and mileage. Considering these data points, the estimated market price is derived by balancing the higher trim and mileage factors.