To estimate the price of the 2021 BMW 730 Li I4 2.0L Twin Power Turbo Li (Top) with 88322 km mileage, I considered the following data points: 1. Selling prices of similar cars: A 2022 model with 24000 km sold for 260000 SAR, a 2022 model with 50000 km sold for 273000 SAR, a 2020 model with 40000 km sold for 123500 SAR, a 2022 model with 39000 km (Standard variant) sold for 205000 SAR, and a 2022 model with 55000 km sold for 249500 SAR. 2. Listed prices of similar cars: A 2020 model with 88000 km listed for 227000 SAR, a 2020 model with 91000 km listed for 212000 SAR, a 2020 model with 70000 km listed for 207000 SAR, and a 2020 model with 64000 km listed for 183500 SAR. Considering the car's age, mileage, and condition, I adjusted the price downwards from the higher end of the selling prices and listed prices to account for the higher mileage and the fact that it is a 2021 model.