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.

    See also:

    Immobilizer System (with Advanced Key)
    The immobilizer system allows the engine to start only with an advanced key the system recognizes. If someone attempts to start the engine with an unrecognized advanced key, the engine will not s ...

    Break-In Period
    No special break-in is necessary, but a few precautions in the first 1,000 km (600 miles) may add to the performance, economy, and life of your Mazda. - Do not race the engine. - Do not maintain ...

    Features
    When you test cars for a living, it's easy to fall for them from the driver's seat. Testing a new Mercedes or even a new Toyota can be great — until you see the price. Yes, we get sticker shock, t ...