The Classic Car Owner's Guide
1940s cars: British motoring from wartime to the export drive
The automobiles of the 1940s were shaped first by war and then by a struggling economy. Civilian motoring almost stopped, and when peace came most new British cars were sent abroad. By 1948 a new generation had arrived, including the Morris Minor, Land Rover and Jaguar XK120.
Motoring in Britain in the 1940s
When war began in September 1939 the government took charge of the motor industry and directed it to war production, and petrol rationing began that same month. Austin, Morris, Hillman and Standard turned pre-war saloons into light utility vehicles, known as "Tillys", for the Army, Royal Navy and RAF. After 30 June 1942 the basic petrol ration for private cars ceased, and fuel went only to drivers with essential or war-related journeys.
A basic ration for private motorists returned in 1945, but petrol stayed rationed until 1950. Car makers resumed civilian production with models that were essentially their 1939 and 1940 designs, since steel shortages and a lack of investment left little scope for new engineering.
The post-war government needed foreign currency, so the industry was told to "export or die". Steel was rationed, and it went to firms that sent most of their cars overseas. Home buyers faced long waiting lists, and new-car buyers had to sign a covenant promising not to resell the car within a set period. The old RAC horsepower tax, based on bore size, had pushed British makers towards long-stroke engines; in 1948 it gave way to a flat-rate tax.
1948 was the turning point. The Land Rover was unveiled in Amsterdam in April, and in October the first post-war London Motor Show at Earls Court brought the Morris Minor and the Jaguar XK120 before the public.
Cars that defined the 1940s
Morris Minor
1948 to 1971. Morris (Nuffield Organisation), Britain.
Designed by Alec Issigonis and launched at Earls Court in 1948 with a side-valve engine, the Minor went on to become the first British car to reach one million sales.
Land Rover Series I
1948 to 1958. Rover, Britain.
Maurice Wilks based the idea on an ex-army Jeep he used on his Anglesey land. The body used aluminium alloy because steel was scarce, and by 1950 Rover was building more Land Rovers than cars.
Jaguar XK120
1948 to 1954. Jaguar, Britain.
Launched at the 1948 Earls Court show around Jaguar's new 3.4-litre twin-camshaft XK engine. The first cars had aluminium bodies; steel bodies followed for volume production, much of it for export.
MG TC Midget
1945 to 1949. MG, Britain.
About 10,000 were built. Returning American servicemen took the TC home, and demand from the United States became very important to MG.
Jowett Javelin
1947 to 1953. Jowett, Britain.
Built in Bradford, Yorkshire, and designed by Gerald Palmer, the Javelin had a 1,486cc flat-four engine with an aluminium block.
Standard Vanguard Phase I
1948 to 1953. Standard, Britain.
Built first for export, the Vanguard used a 2,088cc four-cylinder engine also fitted to the Ferguson tractors that Standard built under licence.
Austin A40 Devon
1947 to 1952. Austin, Britain.
Introduced in 1947, the Devon gave Austin a new 1,200cc overhead-valve engine that was later developed into the B-Series unit.
Rover P4 75
1949 to 1964. Rover, Britain.
Development began with a Studebaker body on a test chassis, and early cars had a central fog lamp that earned the nickname "Cyclops" until it was dropped in 1952. The P4 family stayed in production until 1964.
Willys MB and Ford GPW "Jeep"
1941 to 1945. Willys-Overland and Ford, United States.
More than 600,000 were built by the two firms in wartime, and an ex-army Jeep on Maurice Wilks's land directly inspired the Land Rover.
Volkswagen Beetle
British-run production 1945 to 1949. Volkswagen, Germany.
In August 1945 the British Military Government ordered 20,000 saloons, and Major Ivan Hirst led the Wolfsburg works until it passed to German trusteeship in October 1949.
Seen on Bangers & Cash
Cars from the 1940s named with their year in the Bangers & Cash and Restoring Classics listings, with the episode each appeared in. Our car finder has every car from the show.
3 cars from the 1940s
Owning a 1940s car today
- Driving technique. Many cars of the period have no synchromesh on first gear, and some none at all, so changes need patience; double declutching helps on downshifts. Steering boxes can feel vague and heavy at low speed.
- Brakes. Drum brakes without servo assistance need a firm push and much longer stopping distances than a modern car, particularly in the wet. Leave a large gap and keep adjusters and wheel cylinders in good order.
- Signals. Many cars have semaphore trafficators or no indicators at all, so signal early and be ready to use hand signals.
- Fuel. The FBHVC recommends pre-2000 vehicles use E5 super unleaded rather than E10, because ethanol can attack seals, hoses and metal fuel system parts.
- MOT, tax and insurance. Vehicles more than 40 years old that have not been substantially changed are exempt from the MOT, but must still be kept roadworthy, and owners can apply for the historic tax class. Classic policies usually carry annual mileage limits, and some insurers offer discounts to club members.
- Clubs. The Federation of British Historic Vehicle Clubs (fbhvc.co.uk) represents owners and lists clubs. Marque clubs for the cars above include the Morris Minor Owners Club (mmoc.org.uk) and the Jowett Car Club (jowett.org).
FAQs
- What cars were made in Britain during the Second World War?
- Civilian car production gave way to war work from 1939. Austin, Morris, Hillman and Standard built light utility vehicles, known as "Tillys", based on their pre-war saloons.
- When did petrol rationing end in Britain?
- Petrol rationing began in September 1939 and ended in 1950. The basic ration for private cars was withdrawn in 1942 and returned in 1945.
- Why were new cars hard to buy in Britain after the war?
- Steel was rationed and allocated to makers that exported most of their output, so home buyers faced long waiting lists. Buyers also had to sign a covenant not to resell a new car within a set period.
- What were the most important new British cars of the late 1940s?
- The Morris Minor and Jaguar XK120 appeared at the 1948 Earls Court show, and the Land Rover was launched the same year. The Jowett Javelin, Austin A40 Devon, Standard Vanguard and Rover P4 also arrived between 1947 and 1949.
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Checked 27 October 2026 against the sources listed below.
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