Redemption Allowances were updated about a month ago and this is what I found:
2014 Chevrolet Corvette Coupe
Redemption Allowance: $3,000
2014 Chevrolet Corvette Convertible
Redemption Allowance: $3,000
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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