So what's the most exciting smell in the world? Before any of you take this in a terrible direction, I'll just stop you and say it's new car smell. And that's the very smell I've been enjoying since last Thursday, when I traded in my 2009 Pontiac G5 for a brand new 2014 Kia Optima LX. Let's get down to brass tacks and go through the process of how I ended up buying Korean.