Find used cars in Huntsville at CarsDirect.Com. Huntsville is the fourth largest city in Alabama, with a population of about 176,645. This number doesn't reflect the true number of people in the region, however, as the greater Huntsville-Decatur Combined Statistical Area has a population of 545,770. Huntsville may have been a small Southern backwater town a hundred years ago, but today it is known to be one of the most important cities in the south. Among its most important institutions are the US Army Aviation and Missile Command Center and NASA Marshall Space Flight Center. Huntsville's role in military and space programs has been quite large over time, and because of this, it's the type of place that's surprisingly educated and sophisticated for a town in Albama. People in Huntsville don't make rash decisions; they buy their cars after a lot of research and deliberation. There's no reason to spend thousands of dollars before you actually know what you're doing. Whether you're a student at Oakwood University or you work at the US Space and Rocket Center, you realize the important of a good car in Huntsville. A reliable car might mean the difference between arriving on time to the Big Spring Jam or arriving late and missing all the great music. A good car might mean the difference between getting your work displayed at the The Panoply Arts Festival or not being able to even arrive to see the art. There's no reason why you should put off going to CarsDirect.Com today.