I am looking to get an xc60. I have so many questions though! Is there a big improvement in the 2011 model vs the 2010? Is the turbo engine the way to go? Is the engine much louder in the R design? Does the R design non turbo have a different engine to the "regular" xc60 non turbo? Thank you!

Also, when I test drove one, the steering wheel felt quite heavy. Is that a normal characteristic?