To estimate the price of the 2021 Mazda CX-9 I4 2.5L Turbocharged Standard with 50000 km mileage and average condition, I analyzed the selling prices of similar cars. The closest match is the 2021 Mazda CX-9 I4 2.5L Turbocharged with 119500 km, good condition, and High+ (Mid) variant sold for 109000 SAR on 2023-11-08. Adjusting for mileage and condition, the price should be lower. Another relevant data point is the 2020 Mazda CX-9 I4 2.5L Turbocharged with 65000 km, average condition, and High+ Premium (Top) variant sold for 107874 SAR on 2024-02-15. Considering the Standard variant is lower than High+ Premium, the price should be lower. The listed price for a similar 2021 model with the same mileage and variant is 86000 SAR. Taking all these into account, I adjusted the price to reflect the average condition and the Standard variant.