A classic car is an older automobile; the exact definition varies around the world. The common theme is of an older car with enough historical interest to be collectable and worth preserving or restoring rather than scrapping.n certain areas of the United States, using a classic car as a daily vehicle is strongly discouraged and may even be considered illegal in some places. Retro-styled (color-coded with chromed buckles) 2-point and 3-point seat (safety) belts are manufactured according to Federal Motor Vehicle Safety Standards (FMVSS).