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Counter guide · Steel / Dragon · Gen IV

What beats Dialga?

The 5 hardest counters to Dialga ranked by type effectiveness, base-stat total, and Speed. Iron Treads outspeeds and hits for 2× with ground-type STAB.

Dialga
No. 483
Dialga
Steel Dragon
BST 680 · Speed 90 · Atk 120 · SpA 150

Top 5 counters

  1. #1
    Iron Treads
    No. 990
    Iron Treads
    Ground Steel
    Hits Dialga for 2× via ground-type STAB Takes ½× back from steel-type STAB Speed: 106 > 90 (outspeeds) Lean: Physical (Atk 112)
  2. #2
    Cobalion
    No. 638
    Cobalion
    Steel Fighting
    Hits Dialga for 2× via fighting-type STAB Takes ½× back from steel-type STAB Speed: 108 > 90 (outspeeds) Lean: Physical (Atk 90)
  3. #3
    Zamazenta
    No. 889
    Zamazenta
    Fighting
    Hits Dialga for 2× via fighting-type STAB Takes 1× back from steel-type STAB Speed: 138 > 90 (outspeeds) Lean: Physical (Atk 120)
  4. #4
    Marshadow
    No. 802
    Marshadow
    Fighting Ghost
    Hits Dialga for 2× via fighting-type STAB Takes 1× back from steel-type STAB Speed: 125 > 90 (outspeeds) Lean: Physical (Atk 125)
  5. #5
    Landorus
    No. 645
    Landorus
    Ground Flying
    Hits Dialga for 2× via ground-type STAB Takes 1× back from steel-type STAB Speed: 101 > 90 (outspeeds) Lean: Physical (Atk 125)

Dialga's type weaknesses

2× weak to
Fighting Ground
Immune to
Poison

How this list is computed

Each candidate is scored on best-STAB damage into Dialga, the damage taken back, Speed comparison, base-stat total, and offensive lean (Attack vs Sp. Attack). Candidates that Dialga hits super-effectively for 2× or more without taking comparable damage back are filtered out — they die first. Type-immune candidates are excluded entirely.

Counters are theoretical type-chart matchups, not damage calculations. Item, ability, and move-set choices can swing real battles. Use this list as a starting point, not a final answer.