2012 Infiniti M Sedan M37x 4dr Sedan AWD (3.7L 6cyl 7A)
The cabin is absolutely luxurious, with a very sporty feel. All of the materials feel wonderful (I got the Premium and Deluxe Touring packages, which add a little to the experience). It is whisper quiet, has LOADS of power, and an amazing array of gizmos. In searching, I ended up visiting dealerships in two different states, and they were both really great. I bought it at Cochran Infiniti in Pittsburgh, and they include a pick-up service where they'll drop off a loaner Infiniti and take your car to service (even though we live 80 miles away!).
Power, ride quality, stereo, feel of interior materials, exterior design