See also:

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 ...

Vehicle Overview
Mazda's larger, more powerful replacements for the departed Protege sedan and Protege5 hatchback went on sale in the 2004 model year. Built on the same platform as the Volvo S40, the compact, fron ...

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 ...