One of the most important steps in buying any car, new or used, is test driving the vehicle. You need to know how it feels to drive, as you will rely on it for transportation for at least several years. Beyond this, though, it is especially crucial when buying a used automobile. It is possible that there may be an issue with the car that is not immediately obvious. By seeing how the car runs, you may get a better sense of its condition. If internal parts of the car are worn down, it may not drive smoothly. For instance, there may be steering wheel vibrations or excess exhaust upon accelerating. These, along with other rattling and leaks, may be indicative of larger problems. If you buy a car without knowing of any potential issues, you may have to spend a lot of extra money to get it back into good shape.