To estimate the price of the 2021 Lexus IS300 IS300 Premier (Base) with 74000 km mileage, I considered the listed prices of similar cars. The closest matches are: 1) 2021 Lexus IS300 Premier (Base) with 74000 km listed for AED 124750, 2) 2021 Lexus IS300 Premier (Base) with 68000 km listed for AED 129750, 3) 2021 Lexus IS300 Premier (Base) with 65000 km listed for AED 129750, and 4) 2021 Lexus IS300 Premier (Base) with 87000 km listed for AED 119750. These listings suggest a price range between AED 119750 and AED 129750. Given the mileage and condition of the target car, I estimate its market price to be slightly below the average of these listings.