phillygm 
2009 Nissan Altima Sedan 3.5 SE 4dr Sedan (3.5L 6cyl CVT)
Update
 I've got about 10000 on the clock now. Car still drives like a champ. Mileage pretty much the same as when purchased, @ 20-22mpg combined 20 miles roundtrip daily depending on foot. Noise in engine compartment is ABS automatic and occurs on all Lexus and Nissan V6's, some more audible than others. Sadly, the rattle in the back was never solved after repeated trips. Strangely, it goes away when a passenger sits on side of the back seat, may try and lcoate rattle myself at some point. No major disappointments yet. 