Yes, it does say something about you, the style, type of car you like, your favorite color, etc. There are those that have lets say...a bright yellow Ferrari, or an older Buick that needs paint...yet it doesn't really portray who they actually are.
It portrays what you will find in their home, possibly their clothes. They value money, or what can be bought with plenty of money. But a Buick that needs paint says they might have lost their money or just don't have the time for a new one.