I like to think that I'm one of the few who isn't like that.
Most kids I meet my age that like to say the know about cars either A. Don't know what they are talking about or B. change their opinions halfway through a conversation to be more like whatever I said. (for example if a kid was saying oh yeah I like Hondas and I replied with I'm more into nissans, there'd be like oh yeah your totally right nissan is better)