The limited-production 2018 Dodge Challenger SRT Demon is powered by a 840-horsepower, supercharged 6.2-liter HEMI Demon V-8 engine, making it the most powerful muscle car ever and the world’s fastest quarter-mile production car with an elapsed time of 9.65 seconds at 140 miles per hour, as certified by National Hot Rod Association. Photo from the Dodge archives.
