I went to Courtesy the other day to have lunch at the Corvette Cafe, and check out the C7s. There were a lot of people coming in to see them. Some have suggested they use the high mark-up to keep people from buying them so that they will have cars to show to customers. And, if somebody is willing to pay, then they make money. Now, this is Silicon Valley - Apple headquarters is a few miles away. There are MANY rich people in this area. Also, 3 other Chevy dealers closed several years ago, so Courtesy is the only one left in this area. They've been in business many years, and have loyal and rich customers. They were #28 in the top selling Corvette dealers in the U. S. for 2012.
http://cars.forumsee.com/a/m/s/p12-12567-0356015--top-corvette-dealers-2012.html
I bought my 2012 C6 there last year for almost $12,000 UNDER sticker. This mark-up thing is just a game they play whenever a new model comes out. I doubt anyone ever pays that amount - it's negotiable - not mandatory.
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* 2012 SuperSonic Blue coupe, gray int., A6, 3LT, NCM Delivery 04/16/2012 *
2005 LeMans Blue coupe, black int., A4, 1SB, NCM Delivery 4/25/2005
2003 gray/black coupe, A4, F55, 12CD, NCM Delivery 9/16/2002
2000 green/tan coupe, A4, NCM Delivery 5/16/2000
1996 CE silver/gray coupe, A4
1993 green/tan coupe, A4