Or my '06 (6/06 build date; one of the last ones) QSM/red, M6, 18s, with almost 3 grand in non-engine extras for $27K

. And only 4K+ miles. Adult driven (45 here), never abused, never raced, always garaged.
Seriously, you're probably not going to get anything nice (06) for $20K buddy. Or even $22K. Maybe an '05 for $22K, but with much more miles than an '06. But good luck with your quest. Take care.
JC