Mmm.. Will have to look at the A4.
I honestly can't compare quality of the cars, as it's more of a long term thing, it's really hard to tell in a showroom. From spending about 20-30 min with each car, the Lexus interior impressed me the most, the materials looked and felt nice, but it may end up developing creaks just like you said.
I'll know about driving dynamics this Saturday, but I can't say that I'm expecting much from the Lex. At the same time, my mom likes really soft, quiet, plush cars that can't handle for sh1t and have over assisted steering. That sounds like a Lexus to me
