Did they say why the car may have 100 miles on it? I bought a new V6 in 2007 that was a demo with 2,000 miles on it. The MSRP was 19,995 and I got it for 15,995.
My 2011 GT had 120 miles on it when I bought it a few weeks ago. Judging by the April build date all of those miles are from test...