Even in small not well-known cities, you will get the detailed road network and high resolution imagery. Buildings can be less common but, in Europe, it is surprising how many small cities have basic building footprint information.
With the high-resolution imagery as a reference, creating the building massings can be a relatively quick process.
It is best to use our free trial to preview the quality of the OSM data in your area of interest. In almost all cases, importing the data can save you a ton of valuable time.