Both companies are offering new iterations of their 1960s pony cars for example, the recently unveiled 2013 Ford Mustang Shelby GT500 (650 horsepower) and the Chevrolet Camaro ZL1 ("barely street legal, " claims Chevrolet).

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While two are hybrids, the other is a screaming supercar, the 650-hp Mustang Shelby GT500, which features an all-aluminum, supercharged 5.8-liter V8 that has a top speed of more than 200 mph.

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