Under the Hood

Mazda3 models now offer a choice of engines:  

  • Standard  148-horsepower, 2.0-liter four-cylinder engine that teams with a five-speed manual or five-speed automatic transmission
  • Optional 167-hp, 2.5-liter four-cylinder engine that works with a six-speed manual or five-speed automatic
  • Automatic transmission models include a clutchless-manual mode that lets the driver control gear changes by nudging the console gear selector up or down.
    See also:

    Types of the Climate Control System
    * Some models. Manual type and fully automatic type climate control systems are explained separately. Check your vehicle's climate control type and read the appropriate pages. Manual Type Fu ...

    Fuel-Filler Lid and Cap
    WARNING: When removing the fuel cap, loosen the cap slightly and wait for any hissing to stop. Then remove it: Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness if ingested. ...

    Specifications
    Engine Electrical System *1 ex factory NOTE: When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the iridium alloy and platinum tips could be damaged. ...