You can't have the same grammar as me.

It is spring sale time, you know, Easter-time sales, and with the arrival those new sales there are new advertisements that did not quite pass the grammar test. The one that caught my ear, yes my ear, is the one that is advertising the Volkswagen Springtober event. A young family is admiring a new VW. The neighbor/friend says "You can’t have the same car as me." This is bad on two accounts. First, he obviously cannot have the same car unless they are car-sharing. Secondly, the sentence should have been: "You can't have the same model of car as  I have. " He also could have said "You can't buy the same model as I just bought." Good Grammar; That would just be weird.