This 14-year-old supercharged Cadillac wagon is one of the rarest American luxury cars and costs more than many new models.
From a six-figure Cadillac to a few fancy BMW SUVs—these are the priciest cars produced right here in the good ol' US of A.
Less than 2,000 examples of the 2011 supercharged wagon were produced, making it one of Cadillac's rarest production modern ...