I can't compete on % of income or on absolute value. So how about best deal?
17,800 miles at purchase (9/04). The dealership owner had taken it as his POV and he added a few things that aren't on that sticker: a GM Performance stainless exhaust with quad chrome tips (an especially nice upgrade as the stock tips are the ugliest things ever), bigger spoiler (stock is tiny and looks ridiculous on such a big car), and silver grille. So ~$1500 in quite worthwhile upgrades.
Still had half the bumper-to-bumper warranty, and the four year extended powertrain warranty I added for $730 ended up paying for itself twice over.
Heated leather, power sunroof, HUD, chrome 5 spokes, and it fit something I carried over from my previous vehicle: