Question: is luxray a good pokemon in diamond?
Answer: With below-average base 80/79/79 defenses and 70 speed, Luxray had to use it's great Attacking stats to set itself appart. It's movepool was okay, but nothing special. ... In fact, while Luxray is NU now, it's only really there because of usage stats, even though it's still a completely viable Pokémon in UU.