You can hear some noise from the suspension system when you drive over large bumps but no more than in other cars in the economy class. (articles.orlandosentinel.com)
The suspension is supple and damping is great at filtering out smaller imperfections, though larger bumps in the road result in a bouncing motion as the suspension tries to soak it all in. (carbuzz.com)
With that hypothesis, he went to work trying to create the perception of a single large bump on a flat screen. (discovermagazine.com)