To estimate the price of the 2020 Bugatti Chiron 1.57 Standard, I started with the new car prices of the 2025 Bugatti Chiron variants. The Pur Sport variant is priced at SAR 13,502,370 and the Super Sport variant at SAR 14,350,000. Since the car in question is a 2020 model, I applied a 10% annual depreciation over 4 years. The depreciation factor is 0.9^4 = 0.6561. Using the lower-priced Pur Sport variant as a reference, the estimated depreciated value is 13,502,370 * 0.6561 = SAR 8,857,000. Given the high mileage of 100,000 miles, which is significant for a luxury car, I further reduced the estimated price by approximately 20% to account for the wear and tear, resulting in an estimated price of around SAR 7,085,600.