The Dodge Challenger is powered by a 6.4-liter HEMI V8 engine that is capable of producing up to 485 horsepower and 475 lb-ft of torque. With this engine, the Challenger is able to reach 0-60 mph in just 4.8 seconds. The Challenger also comes with a 3.6-liter Pentastar V6 engine that produces up to 305 horsepower and 268 lb-ft of torque. This engine is capable of reaching 0-60 mph in just 6.1 seconds.