The automobile market in the United States is often said to be highly competitive.But it is not perfectly competitive.What makes this market not perfectly competitive? October 5, 2022 by 8i9x6 Different car companies make different vehicles with different features. An individual car buyer can dictate what price he or she pays for a vehicle. More than three major car companies exist in this market. An individual seller can dictate what price a consumer pays for a vehicle. See Answer Different car companies make different vehicles with different features.