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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    Vehicle Overview
    Mazda's midsize front-wheel-drive sedan benefits from a sportier nature than some of its competitors. Inline-four-cylinder (in "i" models) and V-6 ("s" models) engines are avai ...

    Fuel Requirements
    Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum. 2.3-liter turbocharger engine Your ...

    Engine Oil
    NOTE: Changing the engine oil should be done by an Authorized Mazda Dealer. Recommended Oil Use SAE 5W-20 engine oil. Oil container labels provide important information. A chief contribution th ...