Cadillac Ciel

  • Cadillac Ciel four-seat convertible concept launch in Carmel, California, Aug 2011

    Last night at an event before the Pebble Beach Concours d'Elegance in Carmel, Cailfornia, Cadillac unveiled its Ciel concept car, which it calls "an open-air grand touring car." Under the sleek, imposing lines, the all-wheel-drive Ciel four-seat convertible is powered by a 425-horsepower, 3.6-liter V-6 engine with twin turbochargers. That engine, says GM, is paired with a hybrid system that uses a lithium-ion battery pack. So far, so good. Another General Motors concept with a hybrid powertrain. But what is it, exactly? 'Hybrid' sans details The first thing to note is that GM has released...

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