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The 2010 Mazda Mazda3 requires 2.5 liters (equivalent to 2.6 quarts) of SAE 5W-30 synthetic engine oil, which is highly popular and suitable for a wide range of engines in various climates. Mazda suggests changing the oil every 6,000 miles or 6 months, depending on whichever comes first. The specific maintenance schedule will be customized based on your driving habits. It's crucial to keep the oil at the proper level and not let it become old. If the oil level is low, it can lead to issues like engine knocking, exhaust smoke, and decreased performance. In severe cases, it may cause costly engine damage. Some recommended oil brands are Amsoil Signature Series, Pennzoil Ultra Platinum, Castrol Edge, Mobil 1, and Royal Purple. If you opt to have a professional service this, it will cost around $120 to $150, covering both the oil and labor expenses.
In the 2010 Mazda 3, you need 4.5 quarts (4.2 liters) of oil for the 2.0L engine and 5.3 quarts (5 liters) for the 2.5L engine. However, the 2.3L engine in the 2010 Mazda 3 requires 6 quarts (5.7 liters) of oil. For the 2.0L and 2.5L engines, Mazda recommends using SAE 5W-20 oil, while for the 2.3L engine, SAE 5W-30 oil is recommended.
Feel free to utilize any synthetic blend oil with a Motorcraft cap for optimal performance in this engine. The recommended oil viscosity is 5W20, and the engine requires approximately 4.6 quarts of oil.