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:

    Mazda5 2009 Review
    Editor's note: This review was written in April 2008 about the 2008 Mazda5. Little of substance has changed with this year's model. To see what's new for 2009, click here, or check out a side-by-s ...

    Safety
    Side-impact and side curtain airbags are optional. All-disc antilock brakes with brake assist are standard on s models and optional on i models. Traction control and an electronic stability system ...

    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 ...