888-786-9478 Every 2012 Mazda 5 is powered by a 2.5-liter four-cylinder that produces 157 horsepower and 163 pound-feet of torque. A six-speed manual is standard on the Sport, while a five-speed automatic is optional on the Sport and standard on everything else. In performance testing, a 2012 Mazda 5 Grand Touring went from zero to 60 mph in 9.5. With either transmission, fuel economy is estimated at 21 mpg city28 highway.