American motorhomes and travel trailers are almost absent from the European market due to differences in design, weight and dimensions. European models are engineered for towing by compact cars, while American ones require a heavy-duty tow vehicle and are built for extended off-grid use. Slide-outs, larger tanks and automation typical of US-built RVs are rare in Europe because they increase weight and cost. According to the author, American models could shift buyer expectations, but a mass displacement of European manufacturers is unlikely.