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Size and power
Size and power

The Ciel, French for "sky," seats four in a body slightly longer than a Chevrolet Tahoe. It rides on massive 22-inch wheels.

The Ciel is supposed to be a hybrid car with a twin-turbocharged 425-horsepower V6 engine, GM says. The automaker provided no information on the car's proposed fuel economy.

Last updated August 19 2011: 12:14 PM ET
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