The R/T has a 340 horse, 390 ft/lbs of torque 5.7L Hemi.
The SRT-8 has a 425 horse, 420 ft/lbs of torque 6.1L hemi.
different engines unfortunately
But still, 340 hp isnt anything to scoff at. Especially in a 4 door car. power + everyday usablity for teh win!