From Longman Dictionary of Contemporary Englisharmoured carˌarmoured ˈcar noun [countable] 1 PMWa military vehicle with a strong metal cover and usually a powerful gun2 TTCa car that has special protection from bullets etc, used especially by important people
Examples from the Corpus
armoured car• The first showed three soldiers in the cockpit of an armoured car, two with helmets, one with a black beret.• Thankfully in St Petersburg the monuments have survived insitu only the armoured car is missing.• Early this March, this armoured car was quietly transported to the Artillery Museum, and the exhibition stands were dismantled. 