you can 2 shot a quad with a pak, 1 burst incid ammo mg42 it, 2 faust it, 2 shrek it, 2 puma shot it, 2 stug shot it, or just place mines
People need to read the stats before throwing stuff out there.
Here are some of the damage source models for non-small arms (no Brits included) that you can follow. I probably missed some, got something mixed up, but for reference:
640 damage source(s): Sturmtiger Rocket, B-4
400 Damage sources: Tellers/M8 AT Mines
320 damage sources: Elephant, Jagdtiger, Pak 43
300 damage sources: Current ML-20
240 damage sources: King Tiger, ISU-152 HE/AT rounds, KV-2(?)
200 damage sources: Jacksons
160 damage sources: Regular ATGs, majority of tank guns, 105mm artillery howies, EFA non-heavy TDs/Assault guns, Jagdpanzer, Brummmbar, 105mm Sherman, Sherman HE, Pack Howitzer HEAT
120 damage sources: Shreks, non-vetted Pumas, SU-76
100 damage sources: Majority of snares, M8 HMC
80 damage sources: Stuarts, Bazookas, M-45 ATG(?), PIV Command tank, non-vetted Lieg, Pack Howitzer, majority of grenades, mortars, KV-8 45mm
60 damage sources: M8 Greyhound
40 damage sources: T-70, Panzerfusilier AT Grenade(lol), PTRS(vs vehicles), AA HT 40mm, Ostwind, Stuart shell shock, S-Mines
20 damage sources: 222 autocannon, 251 flak HT
16 damage non-small arms sources: Luchs