The Mazda MX-5 Miata is like an eternal bachelor who didn't change much after college; he's satisfied with his uncomplicated lifestyle and forever up for a good time. The roadster's 2013 version is fun for a fling if you have other potential suitors, but probably not the one you'd settle down with. Cars.com reviewer Jennifer Geiger says the two-seater has plenty of zip, while precise handling keeps things exciting. However, when the top goes up, the fun dials down. Check out Geiger's review.