To estimate the price of the 2021 Lexus IS300 Premier (Base) with 65000 km mileage, I analyzed the listed prices of similar cars. The closest matches are: 2021 Lexus IS300 Premier (Base) with 65000 km listed for AED 129750, 2021 Lexus IS300 Premier (Base) with 68000 km listed for AED 129750, and 2021 Lexus IS300 Premier (Base) with 74000 km listed for AED 124750. These listings suggest a price range of AED 124750 to AED 129750. Considering the car's condition and the fact that listed prices are often higher than actual selling prices, I estimate the market price to be slightly lower than the average listed price.