O-I vs M6
Both O-I and M6 are tier 6 heavy tanks in World of Tanks. Below is a head-to-head stat comparison across HP, armor, gun performance, mobility, and concealment.
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Side-by-side stats
| Stat | O-I Japan | M6 USA | Winner |
|---|---|---|---|
| HP | 880 | 880 | Tie |
| Hull armor | 150 | 101.6 | O-I |
| Damage | 700 | 240 | O-I |
| Penetration | 121 | 160 | M6 |
| DPM | 1617 | 1800 | M6 |
| Speed | 25 | 35 | M6 |
| Camo (still) | 0.4% | 7.8% | M6 |
What the numbers say
The O-I . Hull armor differs by 48.400000000000006mm at the front (O-I is thicker). The top gun on the O-I deals 460 more damage per shot (700 vs 240). Maximum theoretical DPM favors the M6 at 1800 (1617 for the other). Top speed differs by 10 km/h (M6 is faster).
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FAQ
Which is better in WoT, O-I or M6?
By raw stats alone, the M6 wins 4 of 7 stat categories. The other wins 2, with 1 ties. Actual matchup performance depends on map, role, and player skill — but on paper this is the breakdown.
Are O-I and M6 the same tier?
Yes, both are tier 6 heavy tanks.
What about other tier 6 heavy tanks?
See the full tier 6 heavy tank tier list for all options at this tier.