Dodge Viper 2025 Top Speed. The 2025 viper roadster also has a top speed of 206 mph, which is 6 mph faster than the previous generation. Dodge engineers have focused on refining the engine to offer a more responsive throttle, better fuel efficiency, and reduced emissions without compromising the raw power that.

Those make it rocket from 0 to 60 mph in under 4.0 seconds and hit a top speed of 206 mph (332 kph). The kit creates nearly a tonne of downforce, and so much drag it lowers the top speed from near 200mph to 177mph.