This week's Detroit Auto Show has included the unveiling of a Chrysler Group concept vehicle which has a potential top speed of 420mph. The Viper-powered Dodge Tomahawk signifies the “extreme” thinking that is helping drive innovative thinking at the carmaker.

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“This is a bold faced slap against mediocrity,” says Chrysler Group, senior design vice president Trevor Creed.“Tomahawk is a scintillating example of what creative minds can do when given the opportunity to run free. It is a pure mechanical sculpture and a joyous celebration of the artistry and emotion of design”.

The engine is a 505 cu in/8.3-litre aluminium Viper V-10 unit delivering 500bhp and 525lb ft of torque. The concept vehicle boasts all-round four wheel independent suspension.