2012 Mazda 3 Engine Specifications & Maintenance Guide

2012 Mazda 3 Engine Specs

Engine Configuration

The 2012 Mazda 3 comes with two engine options, depending on the trim level. The base trim is equipped with a 2.0-liter inline-4 engine, while the higher trims feature a more powerful 2.5-liter inline-4 engine. Both engines are known for their performance and efficiency.

2.0-liter Inline-4 Engine

The 2.0-liter engine found in the base trim of the 2012 Mazda 3 is a reliable and capable powertrain. It produces a maximum power output of 148 horsepower and 135 lb-ft of torque. This engine is paired with either a 5-speed manual transmission or a 5-speed automatic transmission, depending on the driver’s preference.

2.5-liter Inline-4 Engine

For those seeking a bit more power, the higher trims of the 2012 Mazda 3 are equipped with a 2.5-liter inline-4 engine. This engine delivers an impressive 167 horsepower and 168 lb-ft of torque. It is mated to either a 6-speed manual transmission or a 5-speed automatic transmission.

Engine Oil Specs & Service Intervals

Engine Oil Specifications

To ensure optimal performance and longevity of your Mazda 3’s engine, it is important to use the recommended engine oil. For the 2012 Mazda 3, Mazda recommends using SAE 5W-20 viscosity grade engine oil. It is crucial to choose a high-quality oil that meets the API (American Petroleum Institute) specifications for your vehicle.

Service Intervals

Regular maintenance is vital to keep your Mazda 3’s engine running smoothly. Mazda recommends following the manufacturer’s recommended service intervals to ensure optimal performance and reliability. Here are the general service intervals for the 2012 Mazda 3:

1. Oil Change: It is recommended to change the engine oil every 5,000 to 7,500 miles or every 6 months, whichever comes first. Regular oil changes help remove contaminants and maintain proper lubrication within the engine.

2. Filter Replacement: Along with the oil change, it is important to replace the oil filter. This helps ensure clean oil circulates through the engine, preventing any potential damage.

3. Fluid Checks: Regularly check the coolant, brake fluid, power steering fluid, and transmission fluid levels. If any of these fluids are low or appear dirty, they should be topped up or replaced as necessary.

4. Spark Plug Replacement: Mazda recommends replacing the spark plugs in the 2.0-liter engine every 75,000 miles or every 60 months. For the 2.5-liter engine, spark plug replacement is recommended every 60,000 miles or every 48 months.

5. Air Filter Replacement: The engine’s air filter should be replaced every 30,000 miles or every 24 months. A clean air filter ensures proper air flow to the engine, improving fuel efficiency and performance.

6. Timing Belt Inspection: The 2012 Mazda 3 is equipped with a timing chain, which does not require regular replacement. However, it is recommended to have the timing chain inspected periodically for any signs of wear or damage.

By following these recommended service intervals and using the appropriate engine oil, you can ensure that your 2012 Mazda 3’s engine remains in top condition, providing you with a reliable and enjoyable driving experience for years to come.