In general, Ducati motorcycles tend to have larger and more powerful engines compared to Honda motorcycles. As a result, Ducati motorcycles may consume more fuel than their Honda counterparts, especially when riding aggressively or at high speeds. The fuel efficiency of a motorcycle depends on various factors, including the engine size, riding style, terrain, and maintenance. It's important to note that fuel consumption can vary significantly among different models within each brand as well. Therefore, it's advisable to check the specific fuel efficiency ratings and specifications of the Ducati and Honda models you are comparing to get a more accurate understanding of their fuel consumption characteristics.