I chose the CTS-V. Almost as good as its competitors that cost about $15,000 more. If price is no object though, I'd take an E55 wagon as a supurb compromise between sport and luxury.
I would have to go with CTS-V or Quattroporte, the CTS is great looking, imo, quick, and like iffy said, cheaper than its competitors. The Quattroporte tho is big, luxurious, quick good looking, and italian, but $80k. If i had $80k to spend i'd get the Quattroporte i guess.
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DUE TO CIRCUMSTANCES BEYOND MY CONTROL, MY BRAIN IS CURRENTLY NOT FUNCTIONAL. MY EMPLOYER HAS BEEN NOTIFIED. AT THIS TIME, I HAVE NO WAY OF PREDICTING HOW LONG THIS ISSUE WILL TAKE TO CORRECT.