What are the stat differences between Riolu and Rattata?

Riolu stats: HP 40, ATK 70, DEF 40, SP.ATK 35, SP.DEF 40, SPD 60. Rattata stats: HP 30, ATK 56, DEF 35, SP.ATK 25, SP.DEF 35, SPD 72.

Which Pokemon is faster: Riolu or Rattata?

Rattata is faster with 72 speed compared to Riolu's 60.

WINNER

Total: 285

Total: 253

Riolu: 5 wins | Rattata: 1 wins

40 +10 HP 30

70 +14 Attack 56

40 +5 Defense 35

35 +10 Sp. Attack 25

40 +5 Sp. Defense 35

60 Speed +12 72

285 +32 Total 253

Riolu has a total stat advantage of 32 points over Rattata. Riolu wins in 5 stat categories while Rattata wins in 1.

Rattata is faster with 72 speed (12 points faster than Riolu). This means Rattata will likely attack first in battle.