To estimate the price of the 2013 Toyota Corolla XLI (Base) with 312,000 km mileage, I first considered the selling prices of similar cars. A 2014 Corolla XLI with 263,000 km sold for 28,300 SAR, and a 2015 XLI with 201,100 km sold for 32,000 SAR. These cars are newer and have less mileage, suggesting a lower price for the 2013 model. A 2012 XLI Executive with 144,000 km sold for 23,000 SAR, indicating a higher price due to lower mileage. The 2013 model's mileage is higher than these examples, suggesting further depreciation. The listed prices for similar 2013 models were 28,000 SAR and 21,500 SAR, but these are not actual selling prices. Considering the selling prices and the higher mileage, I estimate the market price to be slightly lower than the lower end of the listed prices.