What is faster a Mazda 3 4 cyl or Mazda 6 4 cyl?

with all the 4 cyl engines in a mazda3 i would say is faster than the basic 4 cyl in the 6 because of the power to weight ratio. Also with the Mazda 3 you can do free mods that are easy to access on the 3. for example advance the timing and take off the resonator. Personally i would take the 3 four the performance and the 6 because of the size and looks