Either way, a considerable amount of thought goes into making sure a NASCAR car looks unmistakable when it rolls onto the track. Sponsorship is one of the biggest influences on how NASCAR cars look. Strong contrast can help make a NASCAR car easier to recognize as it moves around the track. Manufacturers also want race cars to retain some connection with the road-going models they represent. The Crew Has to Keep the Car Looking the PartA NASCAR car’s appearance is not only important when it first leaves the shop.