9. Pontiac G8 GXP (2009)
The Pontiac G8 GXP is the definition of a rare modern muscle sedan, boasting an LS3 V8 and a 6-speed manual. With only about 800 manual versions built during its single production year, the G8 GXP has become a collector’s gem.
Clean, low-mileage examples now command $40,000-$60,000, a testament to both its exclusivity and thrilling performance. The GXP’s spirit lives on, reminiscent of the revered Australian HSV sedans.
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