Su-85 is much worse than JP?
Su-85 time to kill a KT
Vet 0 62.40 - 79.35 Vet 3 36.81 - 50.52
SU-85 time to kill a Tiger
Vet 0 39.80 - 56.75 Vet 3 27.67 - 32.24
JP time to kill IS-2
Vet 0 65.25 - 85.25 Vet 3 50.74 - 66.27
All that while costing:
JP 400/135 14 POP
Su-85 350/120 12 POP
I don't really see how SU-85 is "much worse".
I can't believe you still go to these numbers from tests in vacuum when you compare units. 230 armor vs 140 might have something to do with it. Time to kill doesn't mean anything whatsoever, given that you have to pretend nothing else wants to shoot at the TD while it just chips away at a heavy.
Jp4 can actually ping mediums/infantry AT trying to rush it which you know, might actually happen if your targeting a heavy tank with a Tank Destroyer.
And the SU85 costs 130 fuel not 120. Has since the reload/penetration adjustment.