Why does a chicken coupe have 2 doors?

[chryslerfat]

If it had 4 doors it would be a chicken sedan.

 

[bruceo2011]

Yep, use that one all the time.

 

[magnumdart]

Or a chicken convertable.

 

[krazykuda]

So the chicken can cross the road....

 

[JDMopar]

Chickens only cross the road to prove to the possums that it really can be done!