To estimate the price of the 2023 Volvo XC60 2.0L B5 Ultimate Dark AWD T5 Momentum (Base) with 15685 km mileage, I primarily considered the actual selling prices of similar cars. The most relevant data points include: a 2023 Volvo XC60 2.0L B5 Ultimate Dark AWD with 15606 km sold for AED 176715 on 2024-02-13, a similar model with 14316 km sold for AED 144495.75 on 2024-07-03, and another with 19194 km sold for AED 152995.75 on 2024-07-06. These prices reflect the market value for similar models with comparable mileage and condition. Additionally, I noted an offer accepted for a 2023 Volvo XC60 2.0L Turbo I4 T6 Inscription (Top+) with 19300 km at AED 180000 on 2024-06-21, which is a higher trim level. Considering the average condition of the target car and its mileage, I adjusted the estimate accordingly.