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Specifications
Engine Electrical System CAUTION: 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. Lubricant Q ...

Under the Hood
All Mazda5s are powered by a 157-horsepower, 2.5-liter four-cylinder engine that makes 163 pounds-feet of torque. It represents a slight bump in horsepower compared with the outgoing four-cylinder ...

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 Opt ...