Usually, the Japanese Domestic Market engines have low mileage when compared to those in the United States. Wide open areas of road to speed up and restricted traffic when compared to the island of Japan, not to mention the traditions of the vehicle in America, offering the Japanese motors a much less demanding situation. Alternatively, there can be JDM engines that have inhabited the heart of the Tokyo City and they have been inactive along the crowded roadways, adding low mileage, but accomplishing so in a very unfriendly environment of the city.