To estimate the price of the 2014 Maserati Quattroporte V8 3.8L Twin Turbocharged GTS with 165500 km mileage in average condition, I considered several data points. First, a 2015 Maserati Quattroporte GTS V8 3.8L Twin Turbo with 106620 km in good condition sold for SAR 97500 on 2024-03-10. Given the higher mileage and average condition of the target car, I adjusted the price downwards. Second, a 2014 Maserati Quattroporte V6 3.0L Twin Power Turbo with 154000 km had an accepted offer of SAR 58000 on 2024-05-17. This car has a smaller engine and lower trim, so the target car should be valued higher. Third, listed prices include a 2014 Maserati Quattroporte GTS V8 3.8L Twin Turbo with 96500 km listed for SAR 101500. Considering the higher mileage and average condition of the target car, I adjusted the price downwards. Combining these data points, I estimated the market price accordingly.