The base model of the Ducati Panigale V4 had a starting price of around $21,995 in the United States. It's important to note that prices may vary depending on the region, dealership, and any applicable taxes or fees, so it's recommended to check with a Ducati dealership or the official Ducati website for the most accurate and up-to-date pricing information for the Ducati Panigale V4 in 2021.