Seems like a good plan to me. I am having similar thoughts about Hyundai's new RWD coupe. Its nearly as fast as my G37, looks better on the outside, and my payments would drop by 1/3. I just don't know if I want to take such a step backward in terms of luxury....
2013 Lexus GS 350 F-Sport Starfire Pearl/Flaxen w/nav
2009 Hyundai Genesis 3.8 sedan Sapphire/Tan w/nav
1997 Ford Expedition Eddie Bauer