Question

Is it possible to have Garchomp with Hp420 Atk394 Def317 SpAtk284 SpDef295 Spe333?

?

Answer 1

No.
You can't because one one stat, besides HP, can be maxed out.
The other you need EVs for. And only 2 stats can be maxed out with those.
Source

Comments

Thanks a lot!;D