https://en.wikipedia.org/wiki/Chariots_ ... d_weaponry
so proposed stats:
cost 4
hp 30
attack 8
range 1
armour 1/3
speed 4
sight 6
+25% (+2) :ranged :melee foot, not heavy foot melee
+50% (+4) :heavy foot melee
+100% (+8) :structures :siege machine :ships
+600% (+48) :mega buildings
+200% (+16) :fortified buildings :siege machine armored
+100% (+8) : mounted
+150% (+12) : heavy cavalry and slow
+175% (+14) :medium cavalry :chariot melee
+225% (+18) :heavy cavalry not slow
+450% (+36) :elephant
ability: bow shot
the same as persian war elephant