The AH Spit16 doesn't have 100/150 avgas either, but is is a match for the 109K. The Spit16 trades a bit of speed for better maneuverability with its bigger wings, but otherwise the two aircraft are nearly identical in performance.
I think the spit 16 out performs the K4 in a 1v1 dog fight AH all day. It turns and rolls much better. It will typically win on the merge because it can loop more quickly while retaining E than a k4, so even if the K4 goes for the loop the spit could more than likely climb up to make shot. It is much more responsive than the K4, can pull loops much more quickly, and is very quick.
The k4 would have to have more E initially. The only thing the K4 really has over the spit is top speed but other than that they don't really compare in an evenly matched fight.
Can someone please explain to me about this DCS from their perspective. Oddly, I've never heard of it before. Is it online multiplayer too?