Code:
type aor galatia chariot
dictionary rtr_aor_galatia_chariot
category cavalry
class heavy
voice_type Heavy_1
soldier aor_galatia_chariot_crew, 6, 6, 7.4
mount heavy chariot
mount_effect horse -18, camel -18, elephant -47
attributes sea_faring,hide_forest,frighten_foot,can_run_amok,no_custom,mercenary_unit
formation 7, 9, 15, 15, 1,square
stat_health 2, 4
stat_pri 12, 26, no, 0, 0, melee, simple, piercing, sword, 0 , 0.5
stat_pri_attr no
stat_sec 25, 26, no, 0, 0, melee, blade, slashing, none, 0 , 0.77
stat_sec_attr ap,launching
stat_pri_armour 7, 4, 0, metal
stat_sec_armour 8, 7, metal
stat_heat 2
stat_ground -4, 0, -18, 0
stat_mental 15, low, untrained
stat_charge_dist 80
stat_fire_delay 0
stat_food 60, 300
stat_cost 2, 1411, 398, 130, 210, 630
ownership barbarian, carthaginian, eastern, egyptian, greek, roman, slave
I suspect that it's just a display bug in the unit card.