The Dodge Challenger Hellcat come with a supercharged 6.2-liter HEMI engine, rated at 707 hp (527 kW) and 650 lb·ft (881 N·m) of torque. The inner driving light on the left front has been removed to allow air to get into the engine resulting in more torque, and the wheel wells are different from the standard SRT to accommodate the 20-inch aluminum wheels. The SRT Hellcat is quipped with two separate key fobs; use of the “black” fob limits engine output to 500 hp (370 kW), while the “red” fob enables full output capability.
The Hellcat has a quarter mile time of 10.85 seconds; this was accomplished with street legal drag tires. On stock tires the Hellcat was able to achieve 11.2 seconds @ 125 mph (201 km/h) on the quarter mile.
The Challenger SRT Hellcat can accelerate from 0–60 in 3.6 seconds and can brake from 60–0 in 109.0 ft. Top speed is 199–202 mph (320–325 km/h). The Challenger Hellcat has a lateral acceleration of 0.94g.