Don't let the stolen lines of the Sting-Ray Concept or the suicide doors fool you. The Opel Flextreme GT/E Concept —…
The Opel Flextreme looks like a bird o' prey or something here, don't it? This shot may be the only time we've seen…
We were at Frankfurt's Bockenheimer Depot for GM's revealing of the Opel Flextreme Diesel Concept, the latest…