The Opel Flextreme GT/E Concept was a grand tourer concept car which was manufactured by Opel and was based on the powertrain of GM Voltec. It was a five door 2+2 fastback coupé with rear suicide doors.[1]

| Opel Flextreme GT/E Concept | |
|---|---|
| Overview | |
| Manufacturer | Opel |
| Production | 2010 (Concept Car) |
| Body and chassis | |
| Class | Grand Tourer (S) |
| Body style | 5 door 2+2 fastback coupé |
| Layout | Front engine, rear wheel drive |
| Related | Opel Monza Concept |
| Dimensions | |
| Wheelbase | 2,900 mm (114.2 in) |
| Length | 4,760 mm (187.4 in) |
| Width | 1,870 mm (73.6 in) |
| Height | 1,310 mm (51.6 in) |
The official première of the Flextreme GT/E was at the 80th Geneva Motor Show in March 2010.[2] The first official pictures were released in February 2010.[3] The concept received the Red Dot Design Award for November 2010, in which the jury decided to pick the concept from the 12,000 submissions from sixty countries.[4]
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