We ask ourselves every time we see heavy traffic, is there no variance anymore amongst car models? In the old days, as a matter of fact only five ore ten years ago every single car brand seemed to have it"s own personality, today they look more like a cluster of copycats. What went wrong? One reason is that the automotive industry has certain trends it has to follow, just like fashion designers and musical composers. In times of recession and decreasing sales there is less room to take chances and manufacturers are prone to follow the common pattern as a...
in on the design for maximum visibility. The wheel base is decided on basis of good turning ability both in the case of parking and at high speeds. Everyone is simply trying to design "the perfect car" so it is natural that they are all headed in the same scientific direction.

Considering the facts that all car manufacturers seem to have the same aims with their models, that they cooperate and use same parts, series of parts and even the same models under different names it seems quite natural that modern cars tend to look more and more alike.