To estimate the price of the 2020 MG 5 I4 1.5L STD (Base) in average condition, I focused on the selling prices of similar cars. The most relevant data points are the 2020 MG 5 I4 1.5L STD (Base) with good condition and higher mileage (73690 km) sold for 30000 SAR and 29000 SAR in October 2023. Considering the target car has lower mileage (30500 km) but is in average condition, its value should be slightly lower than these prices. The 2021 MG 5 I4 1.5L STD (Base) in average condition with 67000 km sold for 29500 SAR in January 2024, which supports a similar valuation. Given the lower mileage of the target car, I estimate its market price to be slightly below these figures, accounting for its average condition.