Renault Juvaquatre
| Industry | Automotive |
|---|---|
| Founded | February 25, 1899 in France |
| Founder | Louis Renault |
| Headquarters | France |
| Products | Automobiles |
The Renault Juvaquatre () represents a small family car or compact car produced by the French manufacturer Renault from 1937 until 1960, although its output was considerably reduced during the Second World War. Initially available solely as a sedan until 1948, production shifted focus toward the highly successful Renault 4CV. After a brief pause, manufacturing resumed for approximately five months in late 1952.
In 1950, Renault introduced a station wagon variant derived from the van model; this version was rebranded as the Renault Dauphinoise starting in 1956. The sedan ceased production following the introduction of the rear-engined Renault 4CV in 1946, which quickly became dominant in the post-war French market. Since neither the 4CV nor its successor, the Dauphine, offered an estate option, the Juvaquatre "Dauphinoise" wagon continued production until it was ultimately replaced by the Renault 4 in 1960.
Origins
Developed in 1936 under Louis Renault's direction, the Juvaquatre was designed to compete within the affordable 6CV tax horsepower category, positioned beneath higher-tier models such as the Primaquatre and Celtaquatre. This approach aimed to capture a growing market of lower-income buyers influenced by evolving labor dynamics and political shifts in France during the 1930s. The vehicle's styling borrowed heavily from the German Opel Olympia, which left a strong impression on Louis Renault during his 1935 visit to Berlin; consequently, early Juvaquatre versions bore a close resemblance to the Olympia.
Launch
The Juvaquatre made its debut at the 1937 Paris Motor Show, where Louis Renault personally introduced it to President Lebrun. This event was part of a broader plan to prepare for large-scale production commencing the following year. The initial production prototype, designated "Juvaquatre AEB1," received homologation in February 1937. By early summer, Louis Renault commissioned at least twenty preproduction "Juvaquatre AEB2" units, which were distributed among key dealerships for technical evaluation and customer feedback. Based on these insights, Renault’s engineering team implemented necessary adjustments before launching full-scale production of the "AEB2" model in April 1938.
To promote the vehicle’s durability and performance, a Juvaquatre completed an uninterrupted endurance test in March 1938 at the Montlhéry racing circuit, covering a distance of 5,391 km (3,350 miles) over 50 hours at an average speed just shy of 109 km/h (68 mph).
Bodies
At launch, all Juvaquatres were offered exclusively as two-door saloons (or "coach" bodies), featuring a steel body welded directly onto the chassis-platform to form an almost monocoque structure. The headlights were seamlessly integrated into the bodywork rather than mounted on fenders—a design choice inspired by the Opel Olympia but originally pioneered by the American Hupmobile Type 518 in 1934.
Shortly thereafter, a van ("camionette") variant was developed for commercial applications and saw extensive use by La Poste. After World War II, when this van returned to production in 1948, it was renamed "fourgonette."
Rising consumer demand for four-door vehicles and competition from affordable offerings by Peugeot and Simca led to the introduction of a four-door Juvaquatre ("berline") in April 1939.
Around eighty two-seater coupés were manufactured between 1939 and 1946, predominantly before the war. Although there were plans to restart coupé production after WWII, insufficient heavy-press equipment hindered mass manufacturing. Some sources mention a final batch of roughly thirty coupés produced between late 1945 and early 1946. A coupé model was still exhibited at the 1948 Brussels Motor Show, indicating ongoing intentions.
A station wagon based on the van chassis debuted in 1950 under the name "Renault Break 300 Kg." It was renamed "Renault Dauphinoise" in 1956 and outlived the saloon variants by nearly ten years. Its front-engine configuration made it more suitable for estate adaptation compared to Renault’s postwar rear-engined small cars such as the 4CV and Dauphine.
Engine
Introduced in 1937, the Juvaquatre was equipped with a four-cylinder, water-cooled engine that shared the 95 mm stroke dimension with the Renault Celtaquatre's powerplant but featured a narrower 58 mm bore. This configuration resulted in a 1003cc side-valve engine delivering 23 horsepower. Despite facing competition from the more advanced overhead valve (OHV) engine used in the Peugeot 202, this power unit remained in service throughout the mid-1950s.
In 1952, the Juvaquatre Break (estate) replaced its original side-valve engine with a smaller 747cc OHV unit sourced from the Renault 4CV. Although this engine produced slightly less horsepower, it improved dependability and lowered taxation by qualifying the vehicle for the 4CV tax category. By 1956, the displacement was increased to 845cc, matching that of the newly introduced Renault Dauphine, and power output rose to 26 HP (SAE). At this point, the estate model was renamed Renault Dauphinoise, highlighting its association with the Dauphine line.
Running gear and brakes
The drivetrain transmitted power from the front-mounted engine to the rear wheels through a three-speed manual transmission featuring synchromesh on the second and third gears.
The Juvaquatre incorporated independent front suspension—a notable adoption given that Renault was the last of France’s major automakers to implement this by 1937. The front suspension design reduced wear and prevented wheel misalignment by utilizing three joints per assembly combined with a transversely mounted leaf spring arranged in a simple parallelogram system. At the rear, a conventional rigid axle with transverse leaf springs was employed.
Initially, braking was managed mechanically; however, in 1939 Lockheed-supplied hydraulic brakes were introduced, significantly enhancing braking efficiency and safety.
Market positioning
During the late 1930s, France’s automotive market saw the rise of a modern small family car segment within the 6CV tax class, influenced by aerodynamic styling trends. The Renault Juvaquatre was among three principal contenders in this category, which remained relevant into the late 1940s despite wartime interruptions. Positioned as an economical option featuring a side-valve engine, the Juvaquatre’s two-door sedan debuted at 16,500 Francs at the 1937 Paris Motor Show. By contrast, Peugeot launched its four-door 202 in early 1938 at 21,300 Francs, equipped with a more contemporary engine layout. The Simca 8—a rebadged Fiat assembled locally—offered hydraulic brakes, a four-speed gearbox, and independent front suspension for its four-door "Normale" sedan priced at 23,900 Francs. Slightly above this segment was the front-wheel-drive Amilcar Compound rated at 7CV; its base two-door model featured independent front suspension and cost 21,700 Francs. Although technically sophisticated despite its side-valve engine, this model lost independence in 1937 and vanished by 1940.
A decade later, despite substantial currency devaluation, pricing relationships among these competitors remained largely unchanged. At the 1947 Paris Motor Show, the Juvaquatre now came standard with four doors and independent front suspension at a price of 260,000 Francs. The Peugeot 202 added a steel panel sunroof and was listed at 303,600 Francs, while the Simca 8 increased to 330,000 Francs.
During the war
The production of the Juvaquatre experienced a significant downturn throughout World War II but remained comparatively higher than many other European marques that primarily converted to military manufacturing. Following the occupation of France by Nazi Germany, output drastically diminished to just a few hundred vehicles in 1941, effectively halting official manufacturing until after the war. However, small batches were intermittently produced between 1942 and 1945 to supply occupation forces and the French government.
After the war
Manufacture of the Juvaquatre recommenced in 1946 under the ownership of state-controlled Renault, focusing solely on four-door variants. These post-war models bore a strong resemblance to the 1939 four-door saloon but incorporated a rear hatch to facilitate easier access to luggage. Produced during a period of economic hardship, the majority were intended for export markets.
At Renault's Billancourt facility, production priorities shifted toward mass manufacturing of the Renault 4CV, which would become France’s top-selling model, leading to the cessation of Juvaquatre assembly there in 1948. A limited number of saloon cars were then produced at the newly established Flins plant until November 1951, marking the end of Juvaquatre saloon production.
The station wagon version, known as the "Break Juva 4," remained in production from 1950 until 1953, retaining its original dashboard and side-valve 1,003 cc engine with an added air filter. Starting in 1956, it was equipped with a more contemporary engine sourced from the Renault Dauphine and rebranded as the Renault Dauphinoise. With minimal direct competition, it maintained steady sales—13,262 units sold in 1958 and 9,489 in 1959. The Dauphinoise continued to be available until 1960, shortly before the introduction of the Renault 4, sharing its powertrain with the Dauphine during its final production years.
Classification in the French tax and insurance system
Up until 1953, this vehicle was classified under the 6 CV category due to its 1003 cc engine displacement. From 1953 onward, only a smaller 747 cc engine option was offered, which lowered its classification to 4 CV. Beginning in 1956, solely the "Dauphinoise" station wagon remained available with an increased engine capacity of 845 cc, resulting in a tax rating of 5 CV.
External links
- Renault Juvaquatre on Renault’s official website (in French)