i am interested in your timid jirachi and its good that you havnt leveled it up yet cuz i want it untouched. I'll make the trade whenever you want and are available =)
Well, I have yet to level them up, since I only obtained them 2 days ago.
My Diamond version: lvl 5, Impish Nature, not sure if it matters at level 5, but has 15 ATT, 16 DEF, 13 SP ATT, 15 SP DEF, 16 SPD and has Pokerus now.
My Platinum version: lvl 5, Timid Nature, 13 ATT, 16 DEF, 15 SP ATT, 15 SP DEF, 16 SPD and no Pokerus