Coupe and Roadster variants of the next-generation Dodge Viper caught hot-weather testing around Death Valley.

The Dodge Viper is coming back and here are the first spy photos available of both the coupe and roadster version doing some hot-weather testing in region of Death Valley, USA.

Wearing Michigan plates, the prototypes spied here are already sporting the new chassis and front end. The rear end of the car, undisguised, is still from the previous Viper generation.

But we can still get an inkling as to the car's new shape as well as the new headlights and air intakes from under the camouflage.

Expected under that long bonnet is an 8.4 liter V10 unit with MultiAir technology borrowed from parent company Fiat. Output should be over the 600 bhp (450 kW / 608 PS) and 560 lb-ft (760 Nm) of torque mark.

The 2013 Dodge Viper will debut sometime in late 2012 or early 2013.

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