Had the car for a few days so far, and it is awesome. I love it far more than my GMC Sierra 4wd i owned previously. First off, the looks of the RT are fantastic, the Grill shines with chrome, as do the wheels which fit great, also the two tone dark bottom half and white upper half interior really sets it off. Guages, and all components work well, and premium sound system is excellent. Room for me in back, and I am 6'3, even with front seats all the way back, perfect if they are slightly forward. RT has plenty of power and a aggressive growl from the engine. I have averaged a little over 21 mpg so far, and it turns heads.
Growl of engine, aggressive styling. Has a tight turn radius, and great handling for true SUV. Suspension is great, handles bumps well, and very smooth ride. Also quiet in the cab, even when upwards of 70-75 mph. Upgraded sound system is excellent, plenty of cargo space. Gauges look great at night.
Mileage isn't bad, but really can't think of anything else as of yet.