Discover why the coaches have become increasingly popular in recent years. Image Caption: Photo Credit: Winnebago The numbers don’t lie. Over the past 40 years, even as the RV industry has grown overall, sales of motorized RVs have fallen. Consider: In 1984, 38 percent of all new RV sales were motorhomes, while 62 percent were travel trailers or fifth-wheels. By 2024, towables accounted for 90 percent.