The Dodge Viper does not come factor made with a V12 engine. The Dodge Viper is made with a V10 engine.
Both the 2014 and 2015 Dodge Viper feature an 8.4-liter, OHV, all-aluminum engine design. The car comes with a six-speed transmission and anti-lock brakes. The car is also equipped with safety features such as airbags, seat belts and constant force retractors. Additional luxuries include keyless entry, remote start and vehicle alarm. The Viper comes in a wide range of interior and exterior colors. It is also available with features such as spoilers, after-market headlamps and different sizes and styles of wheels and tires.