What are the stat differences between Tentacruel and Stakataka?

Tentacruel stats: HP 80, ATK 70, DEF 65, SP.ATK 80, SP.DEF 120, SPD 100. Stakataka stats: HP 61, ATK 131, DEF 211, SP.ATK 53, SP.DEF 101, SPD 13.

Which Pokemon is faster: Tentacruel or Stakataka?

Tentacruel is faster with 100 speed compared to Stakataka's 13.

Total: 515

WINNER

Total: 570

Tentacruel: 4 wins | Stakataka: 2 wins

80 +19 HP 61

70 Attack +61 131

65 Defense +146 211

80 +27 Sp. Attack 53

120 +19 Sp. Defense 101

100 +87 Speed 13

515 Total +55 570

Stakataka has a total stat advantage of 55 points over Tentacruel. Stakataka wins in 2 stat categories while Tentacruel wins in 4.

Tentacruel is faster with 100 speed (87 points faster than Stakataka). This means Tentacruel will likely attack first in battle.