Twin-Turbo Charger Thinks It's Got an Easy Win vs Tuned Mustang GT, Gets Stunned 17 Mar 2021, 10:23 UTC · by When it comes to certain cars, horsepower figures can be deceiving, especially if you already carry around too much weight and you don’t have the ideal engine/gearbox combo for handling additional grunt. This 392 HEMI-powered Charger is the perfect example. 6 photos When stock, SRT 392 Chargers feature a 6.4-liter V8, rated at 485 hp (492 PS) and 475 lb-ft (644 Nm) of torque. You get the same powertrain in the Charger Scat Pack, which by the way, will set you back $41,670 if you want the current 2021 model year car—it's $1,175 more expensive than the 2020 Charger Scat Pack.