To estimate the price of the 2019 Volvo XC90 I4 2.0L Turbo Charged T5E Momentum (Base) with 121000 km mileage, I considered the following data points: 1) A 2017 Volvo XC90 I4 2.0L R-Design (Top) with 112000 km sold for SAR 92000 on 2024-01-08. This car is older and a higher trim, but in average condition. 2) A similar 2019 Volvo XC90 I4 2.0L Turbo Charged T5E Momentum (Base) with the same mileage is listed for SAR 106000. 3) A 2017 Volvo XC90 I4 2.0L R-Design (Top) with 112000 km is listed for SAR 99500. 4) A 2019 Volvo XC90 I4 2.0L Turbocharged R-Design (Top) with 79000 km is listed for SAR 113000. Considering the selling price of the older, higher trim car and the listed prices of similar cars, I adjusted for the base trim and the car's good condition to arrive at the estimate.