To estimate the price of the 2021 Mercedes G63 AMG Twin Turbo V8 4.0L Standard, I considered the listed prices of similar cars since no selling prices or offers were available. The 2020 models with similar specifications and mileage are listed at SAR 626,500 and SAR 697,000. The 2023 model with lower mileage is listed at SAR 894,000. Given the 2021 model's age and mileage, its value should be between the 2020 and 2023 models. Considering depreciation and the typical market behavior, the estimated price should be slightly higher than the 2020 models but lower than the 2023 model.