My friend had a Swagman. Her hubby and a van load of BMX'ers were heading to a race in the Tulsa area when they came upon some construction on the highway. It went from a 70mph to 35mph very quickly.
They slowed down but the pickup a bit behind them didn't. Her hubby realized the pickup wasn't slowing down so he sped up a bit, couldn't go fast enough though.
The pickup rear ended them speeding a lot.
When all was said and done the 4 or so bikes, I really though they were carrying more than 4 but I'm not sure, on the rack were toast. The bike rack was shaped like an "L" at the bottom instead of going straight up from the hitch. The back of her van was V shaped where the bike rack had indented the back door and roof. Her roof was pushed forward over the windshield about a half inch. I think it has dented the door, vertically, about 6 inches. Had that steel bar not been there attached to the tow bar who knows how bad the damage would have been.
The pickup had to be towed away and was totaled.
Basically the back seat of the van would have been gone had the bike rack not been there to absorb the hit. They drove the van to the moto and then back home again.
Here's the link to Swagman. If I were buying a bike rack for any vehicle I'd pick theirs. That rack saved my friends family and friends lives.
http://www.swagman.net/