This XTS is easily a FULL size car. The legroom is incredible. My friend who is 6"5" had the front passenger seat all the way back and his toes could not touch the fire wall and the sales girl who was 5'9" tall and was sitting behind him had 6" between the front seat my friend was sitting in and her knees. And the car is far more technologically advanced than the S550 . Just for starters the XTS has the CUE tablet system, which none of the German or Japanese boys have. The XTS Platinum has all the fancy high tech, electronic safety options and power.

I love this car. It is quite stylish and the interior is well appointed. My favorite feature is the leather seats. The power is nice. It has a nice, strong engine with a great exhaust tone. However, I am not a fan of how cramped this car feels on the interior. My last car was a Honda Accord and it feels like that car has way more room. Overall, the car handles like a dream and it is quiet inside with no squeaks or rattles whatsoever. This car is definitely worth every penny of the money I paid for it. My wife and I fight all the time over who gets to drive it.