http://PutnamMazda.com/showroom/index.htm 650-558-5685 The 2014 Mazda 3 comes with familiar engines, starting with the improved 2.0-liter four-cylinder that Mazda began offering in the 3 a couple years prior. However, the optional 2.5-liter four-cylinder engine has been overhauled to provide a stronger power delivery and better fuel economy. Compared to the 2.0-liter, the 2.5 drops just a bit in terms of efficiency but, thanks to its extra power, delivers a considerably better driving experience.