The car to be estimated is a 2021 Chevrolet Tahoe V8 5.3L LT 4WD (Mid) with 50000 km mileage. The most relevant data point is the 2020 Chevrolet Tahoe V8 5.3L LT 4WD (Mid) sold for 166000 SAR on 2023-10-02 with 107800 km. Given the lower mileage of the target car, it should be valued higher. A 2021 Chevrolet Tahoe V8 5.3L LS 4WD (Base+) with 108000 km sold for 158000 SAR on 2024-10-16, indicating a higher value for the LT trim. The 2021 LT 2WD (Mid+) with 68000 km sold for 168000 SAR on 2023-08-24, suggesting a similar or slightly higher value for the 4WD variant. Considering these factors, the estimated price is adjusted upwards from the 2020 LT 4WD (Mid) due to lower mileage and the 2021 model year.