For BEST results, you should be about level 55.
when i beat it mine were level 57 and above, cynthias garchomp is lv. 62!!
level 100 empoleon lots of full restores and rivinal herbs
all of them should be around level 50-60
Level 934, that's the highest they go.
around level 30
if you want to level up your pokemon faster. give the pokemon you want to level up an exp share but it at the bottom of your pokemon list and battle and beat the elite4 in succession over and over until it is at the level you want it to be.
Luxio evolves into Luxray exactly at level 30 on Pokemon platinum.
You level it up until it reaches level 40. It should then evolve into a Rapidash.
Then you have a level 70 pokemon!
at level 34
level 30
Level 100
Giratina is level 47 in Platinum and level 70 in Diamond and Pearl