United Kingdom - Armoured Cars

Rolls Royce 

Variants

• 1920 Pattern Mk I - thicker radiator armour and new wheels.
• 1920 Pattern Mk IA - commander's cupola.
• 1924 Pattern Mk I - turret with commander's cupola.
• 1921 Indian Pattern - based on the 1920 Pattern. Had extended hull armour to provide extra space and a domed turret with four ball mounts for machine guns.[5]
• Fordson - based on a 1914 Pattern. Some vehicles in Egypt received new chassis from Fordson trucks.

A single experimental vehicle had the turret removed and replaced by a one-pounder automatic anti-aircraft gun on an open mounting. Some cars had Maxim machine guns instead of the Vickers gun.