Oh. Interesting. I calculated my tires in comparison to yours.
Fronts:
Stock -> 245/40/19 - Diameter = 26.7
Yours -> 255/35/19 - Diamter = 26.0
Mine -> 225/35/20 - Diameter = 26.2
Rears:
Stock -> 285/35/19 - Diamter = 26.9
Yours -> 295/30/19 - Diamter = 26.0
Mine -> 255/35/20 - Diameter = 27.0
Mine tires are stretched so I should be losing a bit in diamter, but not by much i guess. Use this to help you figure out a better tire size:
Tire size calculator
Good Luck!