I'm not convinced yet, but then again I haven't taken my test drive in the Genesis yet. I'll probably drive one when my 335i lease comes closer to term.
But to all the rental car ravers, let me remind you, MOST rental cars drive like a dream because, unless you're using the ultra-low budget rental companies, most of the cars are practically BRAND NEW and are constantly being serviced. I've driven hundreds of different rental cars, including Hyundais, and very few stand out from the pack, and Hyundai is not one of them. Maybe the Genesis could be different.
Incidentally, most of the rental cars that have stood out from the pack of hundreds, were rented on European trips, and were European cars (not just BMWs)...