I no longer carry any revolvers for self defense purposes. As a backup gun or at close range, there is not much difference except that the revolver has an edge for contact shots. Once the range starts increasing, my Sig P938, with its excellent high profile night sights, outshines even the full sized, 4 inch .38 Special revolver I carried back in the day, at distances to 25 yards. (I am not talking bullseye shooting but USPSA/IDPA type shooting.) With the Sig I also can carry a couple of reloads very discreetly. With the subcompact auto I feel as though I have flexibility to deal with a wider variety of threat situations.
By the way, I can almost say the same thing about the Springfield XDS .45, except that it is a larger gun than the P938, and I have yet to find good night sights for it.
