Of all the cars I have owned the 300 is the best. I compare ir to a Bentley, smooth, great ride and in many ways luxurious. The gas mileage is fantastic, during a recent trip to Canada the 300 averaged 31.4, wonderful for such a large vehicle. The power for a 6 cyl is really superior and the handling is smooth wonderfully reliable and consistant...I dont have to think constantly about what it may do.
Love the touch screen and the GPS. The stereo is clear and non-evasive. I really like the over all design of the 300.
The seats can be 'sluggish' they do not feel firm. This can be distracting when driving even with lumbar and other assists.