Photos: Opel Flextreme concept

GM goes flex-crazy with the Flextreme concept, launched at the 2007 Frankfurt auto show, throwing around its new favorite marketing term like a flexy flexible flyer. This Opel-branded concept runs on GM's new E-Flex powertrain. It has FlexDoors for the passengers and a FlexLoad rear gate. But the only thing anyone will pay attention to are the two nonflex Segways stowed in the rear.

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CNET Reviews staff