Originally Posted by ///M Rakete
Pirelli P Zero Corsa diameters...
Front: 255/35-ZR19 measures at 25.94" OD
Rear: 285/30-ZR19 measures at 25.88" OD
Unloaded but inflated and mounted. The true rolling circumference would be fractionally less than Pi times the OD due to the tire flattening against the road surface when loaded.
Okay. Can't argue with those numbers. Would be curious to see what the 245/35's measure out at.