To estimate the price of the 2019 Mazda CX-9 I4 2.5L Grade 1 (Base+), I considered the following data points: 1) A 2019 Mazda CX-9 I4 2.5L Turbocharged with 120000 km sold for 67000 SAR on 2023-08-18. 2) A 2019 Mazda CX-9 I4 2.5L Grade 1 Premium (Mid+) with 88000 km sold for 77000 SAR on 2024-07-06 and 2024-07-07. 3) A 2020 Mazda CX-9 I4 2.5L Turbocharged Grade 1 (Base+) with 161000 km sold for 74000 SAR on 2024-01-05. 4) A 2018 Mazda CX-9 I4 2.5L Turbocharged Grade 1 (Base+) with 160000 km sold for 57500 SAR on 2024-09-15. 5) A 2019 Mazda CX-9 I4 2.5L Grade 1 (Base+) with 129000 km was listed for 73500 SAR but delisted on 2024-05-02. Considering the mileage of 127170 km and the condition of the car, I adjusted the price accordingly.