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Guy Armoured Car
Tanks and Afvs of the British Army 1939-45 MH3699.jpg
Guy Mk I
Place of origin UK
Service history
Wars Second World War
Production history
Designed 1938
Manufacturer Guy Motors
Produced 1939-1940
Number built 101
Specifications (Mark I)
Weight 5.2 long tons (5.3 t)[1]
Length 13 ft 6 in (4.12 m)[1]
Width 6 ft 9 in (2.06 m)[1]
Height 7 ft 6 in (2.29 m)[1]
Crew 3

Armour up to 15 mm (0.59 in)
.5 inch Vickers machine gun
.303 inch Vickers machine gun
Engine Meadows 4ELA 4-cyl petrol engine
55 hp (41 kW)
Power/weight 10.6 hp/tonne
Transmission 4 forward, 1 reverse gear
Suspension 4 x 4 wheel
210 mi (340 km)[1]
Speed 40 mph (64 km/h)[1]

The Guy Armoured Car was a British armoured car produced in limited numbers during Second World War. The car saw limited action during the Battle of France. The manufacturer had insufficient capacity for production of the armoured car alongside their artillery tractors so the design and construction techniques were passed to Rootes and used as a basis for the Humber Armoured Car


In 1938 Guy Motors built five Guy Quad armoured car prototypes to a design by the Woolwich Arsenal based on the Quad-Ant artillery tractor chassis.[2] In early 1938 a number of different 4x4 chassis from British and foreign manufacturers had been tested to see which was the best for development of a new line of armoured cars to replace those older designs in use.[1] By September three armoured cars had been built by Guy. While chassis with more advanced features were seen as having better potential it was decided that in order to get production under way the Guy chassis was preferred.

The vehicles successfully completed troop trials and from 1939-1940 a further 101 of the armoured cars - initially designated "Tank, Light, (Wheeled) Mark I"- were produced. These were constructed used welding rather than rivetting.[2] The contract specification had been for riveted construction but Guy suggested welding as being more suitable and effective. To that end they developed the necessary techniques including rotating jigs which meant the bodies and turrets could be produced quicker and cheaper. The Royal Commission for Awards to Inventors recognised this after the war.[1]

The vehicle had a welded hull (making it the first British armoured car with an all-welded construction) with a sloped glacis plate. Above the centre of the hull was mounted a turret with two Vickers or Besa machine guns. The engine was located at the rear. The vehicle carried a No. 19 radio set.

The body of the Guy vehicle formed the basis of the later Humber Armoured Car, which employed a new chassis.

Service history

Six cars were sent to France with the British Expeditionary Force (BEF) but were lost when the France fell to the Germans. Four were used by the mobile guard of the British Royal Family (equipping a troop of the 12th Royal Lancers) and two by cabinet ministers. The rest served with different British Army, Belgian Army, Danish and Dutch units stationed in Britain. By 1943 they were replaced by more modern vehicles.


  • Mk I - original version. 50 units built.
  • Mk IA - was armed with Besa 15 mm and 7.92 mm air-cooled machine guns instead of the Vickers. 51 units built.

Guy Mk IA during anti-invasion exercises in Southern Command, 7 May 1941. Note the longer barrel of the 15 mm Besa MG.


  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 B T White
  2. 2.0 2.1 Accession Record
  • White, B T Armoured Cars - Daimler, Guy, Daimler, Humber, AEC AFV Profile No 21, Profile Publishing, Windsor
  • George Forty - World War Two Armoured Fighting Vehicles and Self-Propelled Artillery, Osprey Publishing 1996, ISBN 1-85532-582-9.
  • I. Moschanskiy - Armored vehicles of the Great Britain 1939-1945 part 2, Modelist-Konstruktor, Bronekollektsiya 1999-02 (И. Мощанский - Бронетанковая техника Великобритании 1939-1945 часть 2, Моделист-Конструктор, Бронеколлекция 1999-02).
  • Armoured Car, Guy Mark 1 (E1965.44) - Accession record at Tank Museum

External links

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