Fiberglass siding! No metal roof? Wow,they really went south quickly. This is apples and oranges now.As far as tongue weight, toy haulers in general are heavy due to compensation for load in the rear. But, they tow steady as the result. Our 100 gallon water tank is slightly behind the rear axle! When full a straight arrow performance. As its used grey and black are forward. Eliminates sway as the water is used. This is the most stable unit we have owned,and much more predictable than our 28 Airstream safari ever was.