To estimate the price of the 2013 Hyundai Elantra I4 1.6L GLS (Top) with 213,000 km mileage, I focused on the selling prices of similar cars. The most relevant data point is the 2013 Hyundai Elantra I4 1.6L GLS (Top) with 134,500 km sold for 29,000 SAR on 2024-06-22. Given the higher mileage of the target car, I expect a lower price. The 2013 Elantra I4 1.8L GLS (Top) with 295,000 km sold for 26,500 SAR on 2023-11-22, indicating a depreciation trend. Considering these factors, I estimate the price to be slightly lower than 29,000 SAR due to the higher mileage and average condition.