What's a Good Price for 2009 Saturn Aura?

2009 Saturn Aura XR

I just saw some used 2009 Saturn Auras with more than 36,000 miles on them for sale at Hertz Rental for $11-12k. Of course, these cars have been driven beyond the basic General Motors 36k mile warranty. My question is, are these vehicles still good deals if I buy an extended warranty?

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Saturn Teases with Aura Tidbits

In addition to announcing the name of Saturn's upcoming midsize sport-utility, Saturn General Manager Jill Lajdziak also confirmed that Saturn's 2007 midsize sedan, scheduled to enter production during summer 2006, will carry the name "Aura." The new sedan takes its name from the acclaimed concept car that also heavily influenced its interior and exterior design.