The 5-passenger 2009 Mazda MAZDA3, available as a sedan or a hatchback, now comes standard with antilock brakes, front-seat side airbags and full-length side curtain airbags, while the 4-door sedan trim levels get standard remote trunk release with the keyless entry. The MAZDA3 i sedan standard features include a 2.0L four-cylinder engine that produces 148 hp and 135 lb-ft of torque with the standard five-speed manual, while a four-speed automatic with auto-manual override is optional. Fuel economy for the MAZDA3 i is an EPA-estimated 22 mpg city/30 mpg hwy and 25 mpg combined; however, choosing the manual transmission improves efficiency by 2 mpg. The MAZDA3 s sedan and hatchback get a 2.3L four-cylinder that generates 156 hp and 150 lb-ft of torque with the standard five-speed manual, while a five-speed automatic with manual shift control is optional. Fuel economy with the automatic is an estimated 22 city/28 hwy and 24 combined. Stability and traction control are standard safety features on the s Touring and Grand Touring models, but not available on other trims.