The longest RVs on the market are typically luxury Class As that max out at around 45’ in length. Usually diesel pushers, these RVs look more like tour buses than campers, and many RVers prefer to live in them full-time.
What Is the Maximum Length Of a Fifth Wheel Trailer?
What Is the Maximum Length Of a Fifth Wheel Trailer?
The most sizable fifth wheel on the market is the Grand Design Solitude, at 41’5” in length. Considering that, unlike motorhomes, every inch of square feet is living space, this camper is a house.
In general, travel trailers are usually smaller than Class A motorhomes and fifth wheels, but that doesn’t mean you can’t find extensive travel trailers. The most extended travel trailer is the Jayco Eagle 334DROK.
Each state has different rules regarding legal maximum RV length, making it tricky when traveling across the country. However, the maximum permitted length usually varies between 40 and 50 feet.