Why should I buy a Chevy or GMC over the other?

Question

Everything they put out is just a clone of each other

Answer 1

Buying a Chevy or GMC is like buying a **** cake with either chocolate or vanilla frosting, except that the frosting doesn't taste any better.

Answer 2

GMC trucks/SUV's are slightly more luxurious than their Chevy counterparts (the differences are mostly aesthetic). Underneath the pretty exteriors lie the same poorly-made electronic components regardless of which of the two brands you buy. 

Answer 3

You buy a Dodge Ram with the diesel.

Answer 4

Just depends on the trim pieces you prefer on the pickups.  The rest of the model lineup has differences.