A pure performance edition of the new full-size pickup, the Silverado 427, is named for the cubic-inch displacement of its 7.0-liter small-block Gen IV engine — the same 505-horsepower V8 that is shoehorned into the Chevrolet Corvette Z06.Among the other two dozen vehicles on the GM stand at SEMA are hotted-up versions of the company's newest roadsters, the Pontiac Solstice and Saturn Sky. The Solstice GXP-R concept gets restyled front and rear fascias, 19-inch cast chrome wheels, a more potent turbocharged engine and other modifications. A race-prepared Solstice Club Sport Z0K is similar to the cars that campaigned this year in SCCA. Gravana Speed Shop, working with GM's in-house design group, has customized the Sky.
Other GM SEMA concepts of note include the Buick Lucerne CXX Luxury Liner, a Hummer H3 Open Top by ASC, a Cadillac Escalade EXT by DUB magazine, a Saturn Outlook Adventure and a GMC Sierra Texas Extended Cab.
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