To estimate the price of the 2016 Mazda 6 I4 2.5L Core (Base+), I focused on the selling prices of similar cars. The most relevant data point is a 2016 Mazda 6 I4 2.5L Core (Base+) with 204,000 km sold for 37,000 SAR on 2024-04-03. Another similar car, a 2016 Mazda 6 I4 2.5L Core (Base+) with 175,000 km, sold for 37,500 SAR on 2024-05-10. Considering the higher mileage of the car in question (272,500 km), I adjusted the price downwards. A 2016 Mazda 6 I4 2.5L S (Base) with 222,000 km sold for 28,000 SAR on 2024-06-30, which also suggests a lower price for higher mileage. Taking into account the average condition and higher mileage, I estimated the price to be slightly lower than the 37,000 SAR benchmark for similar cars with lower mileage.