To estimate the price of the 2016 Subaru WRX I4 2.0L Turbo Charged WRX STi RG Package (Mid), I first looked at the selling price of a similar car: a 2015 Subaru WRX I4 2.0L Turbo Charged STi (Top) with 156000 km, which sold for SAR 37500 on 2024-07-04. Given that the car in question is a 2016 model with similar mileage and a slightly lower trim (Mid vs. Top), I adjusted the price slightly higher due to the newer model year but lower trim. I also considered the listed prices: a 2016 WRX STi RG Package (Mid) with the same mileage listed for SAR 57000, which is likely higher than the actual selling price. Another 2015 WRX STi (Top) with similar mileage is listed for SAR 41500, and a 2018 WRX STi (Top) with lower mileage is listed for SAR 93500. Finally, a 2016 WRX STi Premium (Mid+) with higher mileage is listed for SAR 72000. Considering these data points, I estimated the market price by balancing the actual selling price and the listed prices, adjusting for the model year, trim, and mileage.