Those air springs also make for noticeable road roar over coarse surfaces. (autocar.co.uk)
The 991 throws in some extras, too: a more comfortable ride, less road roar, better cruising refinement and a properly designed, exceptionally well built and finished cabin. (evo.co.uk)
Thanks to electronically controlled, continuous variable damping at the front and rear, it offers outstanding road roar and tyre vibration characteristics even with the vehicle loaded. (ausmotive.com)