2007

The frameless windows are indexed, meaning that they automatically open 0.25 inch when the doors are opened, and close again when the door is closed for a tight seal.

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The convertible's top was engineered with Karmann, which specializes in convertibles. The big top opens and closes within 30 seconds, storing under the truck lid and a hard tonneau cover when open. The trunk is still accessible when the top is down, but space is reduced to a grocery-bag sized 1.8 cubic feet.

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The G6 structure uses high-strength steel for about 60 percent of underbody components and central tunnel. Rather than just a single layer of sheet steel, the tunnel has an extra piece of steel welded between it and the floor pan.

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The stiff body uses fully isolated front and rear subframes to carry the heavy stuff, and the front one is hydroformed for strength and light weight.