meaning of PCD? Well Brother PCD stands for pitch circle diameter and is the diameter of a circle drawn through the centre of your wheel’s bolt holes. ]
P.C.D. is measured in millimeters and also indicate the number of studs or bolts the wheel will have. Proton Alloy Wheels are usually either 4×100: i.e. 4 bolt holes drilled through the centre of an imaginary 100mm circle.
Different Cars May have different or same PCDs, for more study you can consult to google.