The armoured vehicle was stolen after the robbers locked two Garda workers inside the Royal Bank near the corner of GaleriesD'Anjou Boulevard and Jean-Talon Street, at roughly 10:20 p.m. Sunday night.
After the Garda employees called 911, police arrived and found the truck, which was empty, about 100 metres from the bank.
Police confirmed thousands of dollars were stolen but the exact amount is unknown.
The Garda workers were freed by the fire department after the lock was cut.
Police are interviewing the workers to get more information.
No arrests have been made.