On 2020 dodge challenger srtr hellcat models with 717 horsepower get 4850 retail consumer cash on 2020 dodge challenger r t scat pack models with 485 horsepower. Dodge chrysler inc horsepower 425 the heralded return of dodges muscle car legend challenger is mostly for the best especially if youre into hemi v8 induced debauchery. The dodge challenger lives on with its classic bold design and modern day power with a supercharged 62l hemir v8 engine and up to 717 horsepower the challenger srt r hellcat has the kind of power that makes the competition quiver. The 2008 dodge challenger srt8s 425 horsepower and 420 lb ft of torque is a result of srts exclusive proven 61 liter hemir v 8 engine mated to a five speed automatic transmission with