To estimate the price of the 2021 Chevrolet Suburban V6 3.0L Turbocharged (Diesel) LT 4WD, we start by looking at the new car prices for the closest variant, which is the 2025 Chevrolet Suburban 5.3L LT 4WD priced at SAR 295596. Since the car in question is a 2021 model, we need to account for depreciation. Assuming a 10% depreciation per year, the car would have depreciated for 3 years. The depreciation calculation is as follows: 295596 * (1 - 0.10)^3 = 295596 * 0.729 = 215546. The car has 82000 km mileage and is in average condition, which might further reduce the price by approximately 10%. Therefore, the estimated price is 215546 * 0.90 = 193991.