There's a common belief that as soon as you have kids, you have to trade in the keys of your current car for those of a "family" car, and with that, you lose every ounce of your cool factor. And while that may be the case for some, many of us aren't quite there yet. But there does come a time when three car seats just won't fit in the backseat of your current car, or you just need more space so you can participate in car pools. When that happens, it's time to trade on up for a family vehicle. Read on to see the highs and the lows of the car-buying process.