There are things you want, and then there are things you think you want. There are things you have, and also things you want to have. Is this a man who's dreaming of owning a red car in some horribly dystopian future where colorful vehicles have been banned, or is it something a little more profound than that?
It seems to us that the car he's dreaming of is a little more expensive and impressive looking but wouldn't actually change his position at all. He'd still be stuck in all that traffic. So, is the message that when we dream of bettering ourselves, we should focus on those things that would actually improve our lives? Or is it just that being in a better quality of car would make the traffic jam more tolerable? Perhaps both are true.