Who doesn't want a supercar? 0-60 in nothing flat and the feeling that you can crush any other driver off the line. Yeah, we're about that. However, practicality occasionally rears its ugly head. You might be required to haul a sofa, a child, or cart around some ungrateful friends. Have no fear. There are several cars built for both speed and the normal challenges of everyday life, some of which are legit family cars. Others are souped-up versions of the always useful pick-up truck. Either way, they satisfy a need for a speed balanced with a healthy dose of reality. These are 20 Lightning-Fast Family Cars.