I wasn't sure if any competitors to Apple in the nav space were going to react to Apple offering free turn-by-turn directions in iOS 6, but I did get some interesting comments from the folks at Garmin/Navigon.
Johan-Till Broer at Garmin International shared this statement from Garmin today:
"We've been competing successfully with free navigation on Android phones, and through third party apps also on the iPhone, for a couple of years now, and it has been widely anticipated that Apple would introduce a new maps app with navigation functionalities. It is, however, too early to provide a qualified evaluation of this new iOS feature. Garmin has over 20 years of experience in navigation technology and our navigation products offer a wide range of unique features