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Cars 2 Premiere: A closer look at Finn, Holley and Rod

Cars 2, which opens on Friday, stands to be one of the top box-office hits of the summer. Many of our favorite characters are back, such as Lightning McQueen and Tow Mater, but there are also a bunch of new rides rolling onto the big screen. Some, like Grem the Gremlin and Acer the Pacer, take obvious inspiration from real cars.

New venom for Viper

It appeared onstage for a few fleeting moments, more phantom than future sheetmetal. But like a ghost that won't go away or a car company that refuses to die, a reborn Viper has been penciled in for Dodge for 2012. A concept version of the next American supercar was shown in September in Orlando, Fla., by Chrysler CEO Sergio Marchionne to a convention center filled with thousands of people—most of them notoriously talkative car dealers.

Scalded-cheetah Nissan GT-R runs a 7.98 quarter-mile

Eight-second cars are often funny-looking and monstrous-sounding. To get into the eights in the mid-1960s, Dick Landy hacked up his Dodges, altering the wheelbase for better weight transfer. Within a couple of years, the full-on nitro-sucking flopper would come to be the quickest thing with four wheels and a body with some resemblance to a production automobile, ushering the Funny Car era.