The Hellcat badge is stuck onto only the fastest cars that Dodge can build. It's no surprise then that a Hellcat should be able to break past the 200mph barrier. Specifically, an SRT Hellcat Redeye, either on the Challenger or the Charger, could hit a top speed of 203mph. Dodge's engineers have worked on aerodynamics. Thus, ensuring that even at higher speeds, both Hellcats could remain stable and planted onto the ground. Besides top speed, it's also pretty fast in a straight line. From 0 to 60mph, either Hellcat will manage this in just 3.6 seconds. Although, it's worth noting that the regular Hellcat might struggle to break past 199mph - which is its official top speed figure.