One of our readers just sent in an interesting picture. When is a Mazda 3 not just a Mazda 3? When it’s been rebadged as 3.141592653589793238462643383. (Thanks, David P)

One of our readers just sent in an interesting picture. When is a Mazda 3 not just a Mazda 3? When it’s been rebadged as 3.141592653589793238462643383. (Thanks, David P)