Rate this pokemon diamond team for the elite 4.?

Question

Just forget the levels, do the types and attacks matchup alright?

Torterra-Impish

-Wood Hammer, Earthquake, Leech Seed, Stealth Rock

Staraptor-Jolly

-Brave Bird, Close Combat, Fly, Steel Wing

Luxray-Adamant

-Thunder Fang, Thunder, Roar, Crunch

Gyrados-Adamant

-Dragon Dance, Waterfall, Ice Fang, Surf

Rapidash-Jolly

-Flare Blitz, Sunny Day, Megahorn, Return

Hippowdon-Impish

-Earthquake, Ice Fang, Roar, Slack Off

Answer 1

It should be fine to get through the E4 with, but because so many of his pokemon use recoil moves, he/she will need to bring a lot of hyper potions.