Under the Hood

The 2.0-liter four-cylinder in the Mazda3 i has variable valve timing and develops 148 horsepower (144 hp in PZEV form). The Mazda3 s uses a 2.3-liter four-cylinder that pumps out 156 hp. A five-speed manual gearbox is standard, and a four-speed automatic transmission with a manual-shift provision is optional for the Mazda3 i. The 2.3-liter engine can mate with a five-speed automatic.

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    Fuel Requirements
    * U.S. federal law requires that octane ratings be posted on gasoline station pumps. Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust ...

    Automatic Transaxle Fluid (ATF)
    Inspecting Automatic Transaxle Fluid Level The automatic transaxle fluid level should be inspected regularly. Measure it as described below. 5AT CAUTION: Always check the automatic transaxle ...

    Trailer Towing
    The Mazda3 is not designed for towing. Never tow a trailer with your Mazda3. ...