WZ-111 model 6 (China, Tier-8, HT, premium)
Firepower:
• Dispersion while moving: from 0.20 to 0.23
• Dispersion during hull rotation: from 0.20 to 0.23
• Armor penetration with APCR shells: from 225 to 218 mm
• APCR shell velocity: from 1,320 to 1,050 m/s
Mobility:
• Engine power: from 680 to 620 hp
• Power-to-weight ratio: from 14.78 to 13.5 hp/t
• Max forward speed: from 50 to 40 km/h
Survivability:
• Hitpoints: from 1,550 to 1,450 HP
CS-52 C (Poland, Tier-8, MT, premium – mechanic: turbo engine mode)
Firepower:
• Armor penetration with AP shells: from 190 to 208 mm
• Armor penetration with HEAT shells: from 290 to 270 mm
• Reload time: from 8.5 to 8.1 sec
• Aiming time (standard/speed modes): from 2.7/3.5 to 2.5/3.5 sec
Source: https://www.reddit.com/r/WorldofTanks/comments/ysd9on/wz111_mod_6_cs52_c_stat_changes/