Mazda MAZDASPEED3 is a high-performance version of the Mazda3 compact car, made by the Japanese automaker Mazda. It was first introduced in 2007 and has since been updated several times. MAZDASPEED3 models feature a turbocharged 2.3-liter engine with 263 horsepower and 280 lb-ft of torque, as well as a 6-speed manual transmission, limited-slip differential, sport-tuned suspension and more prominent exterior styling.