1,485hp auction: Final Dodge Viper and Demon go under the hammer

If your dream garage includes two modern classics with 1,485 horsepower between them, then Dodge has the package deal for you. The last 2017 Dodge Viper ever built and the final 2018 Dodge Challenger SRT Demon have been bundled together for a charity auction, though the kicker is that you can only buy them together. Normally, the Viper would be …