DB (car)
| Company type | Private |
|---|---|
| Industry | Automotive |
| Predecessor | Deutsch family coachbuilding business |
| Founded | 1937 |
| Founder | Charles Deutsch, René Bonnet |
| Defunct | 1962 |
| Fate | Partnership dissolved; founders established separate companies |
| Successor | Automobiles René Bonnet, CD (Charles Deutsch) |
| Headquarters | Champigny-sur-Marne , France |
Area served | Worldwide (including France, United States) |
Key people | Charles Deutsch, René Bonnet |
| Products | Sports cars, racing cars |
Deutsch-Bonnet (commonly known as DB) was a French marque specializing in sports cars, established in 1937 by Charles Deutsch and René Bonnet. The brand remained active until 1962. Both racing and customer versions of the D.B Coupés participated extensively in rally competitions and international endurance events such as the 24 Hours of Le Mans, 12 Hours of Sebring, 12 Hours of Reims, and the Tour de France Automobile—achieving notable recognition with Prince Rainier of Monaco as one of its drivers.
History
Operating from Champigny-sur-Marne near Paris between 1938 and 1961, DB—initially known as Deutsch-Bonnet until 1947—was created by Charles Deutsch and René Bonnet. The company originated as an extension of the Deutsch family's coachbuilding enterprise, which Bonnet had acquired in 1932. Initially concentrating on lightweight racing vehicles, DB shifted after World War II towards producing compact sports cars for the road. Their Panhard-based convertible made its first appearance at the 1950 Paris Motor Show, and by 1952, DB models were prominently displayed on Panhard’s exhibition stand, underscoring the close collaboration between the two manufacturers.
The firm ceased production around 1961 due to conflicting design approaches between its founders. Estimates of total vehicles produced range from approximately one thousand to nearly two thousand units.
Lightweight engineering
DB's expertise lay in crafting lightweight sports cars, initially employing steel or aluminium for bodywork before transitioning to fibreglass construction. They mainly utilized Panhard flat-twin engines with displacements between 610 and 848 cc. Charles Deutsch contributed aerodynamic design knowledge as a theoretical engineer, while René Bonnet applied his skills in practical mechanical engineering.
The fibreglass bodies were mounted on a tubular steel central beam chassis, incorporating front-wheel drive and four-wheel independent suspension systems derived from Panhard components. Prior to 1952, all DB models were designed exclusively for competition purposes.
Racing origins
Following an unfulfilled promise of a factory drive in an Amilcar Pégase at the 1936 French Grand Prix, Bonnet and Deutsch embarked on constructing their own racing vehicle. The alloy-bodied DB1 roadster was produced over seventeen months beginning in 1938, utilizing parts sourced from a Citroën Traction Avant 11CV. Subsequent models included the closely-roofed 1.5-litre DB2, whose development was interrupted by World War II. The DB4 was completed in July 1945 during the German occupation, featuring a central beam chassis with a forked cradle designed for a 1.5-litre Traction 7A-derived engine. This was soon followed by the similar 2-litre DB5. Both vehicles competed as the sole postwar entrants in France’s first race after WWII held in Paris in 1945. In 1947, an open-wheeled DB7 was introduced following the less successful DB6; this year also marked the formal establishment of Automobiles Deutsch & Bonnet.
Despite their single-seater DB racers not achieving significant success, these efforts convinced Deutsch of the importance of engine tuning. Consequently, DB expanded into performance components development, creating a four-speed gearbox conversion and an overhead camshaft cylinder head with collaboration from experts Maurice Sainturat and Dante Giacosa. The DB8 premiered in 1948, securing two concours d'élegance awards prior to racing activities. Early models depended heavily on Citroën parts; however, supply difficulties prompted a switch to Panhard technology. Deutsch’s association with the independent racers’ club AGACI facilitated this transition; when AGACI introduced the Mouvement Racer 500—inspired by British Formula 3—DB designed a race car powered by a Panhard 500 engine. Following its debut at the 1949 Paris Motor Show, Panhard supported limited production of about fifteen units. This racing formula concluded in 1951, with the DB Panhard 500 failing to achieve international competitiveness.
DB maintained strong involvement in endurance racing events such as Le Mans 24 Hours, designing nearly all their vehicles with competition performance as a primary goal—even their road-going models.[1] In 1952, a DB Speedster claimed victory in its class at the 12 Hours of Sebring, marking DB’s introduction to the U.S. market with drivers Steve Lansing and Ward Morehouse behind the wheel.
At the 1954 Le Mans, DB entered five cars and collaborated closely with Panhard’s "Monopole" racing team. The pairing of René Bonnet and Élie Bayol achieved tenth place overall—the highest finish among DB entries—while another vehicle powered by a Panhard engine finished sixteenth. Conversely, three Renault-powered central-seat DBs failed to complete the race. These Renault-engined models had been developed under customer demand but suffered from inadequate preparation time and unfamiliarity for both Deutsch and Bonnet.[2] After this experience, DB concentrated exclusively on designs based on Panhard mechanicals.
Road cars
The 1949 DB8, crafted by Antem of Belgium and unveiled at the 1949 Paris Motor Show, showcased a contemporary aesthetic that earned two concours d'élégance awards. Nevertheless, Citroën declined to provide components for mass production. Following DB's switch to Panhard powerplants, Antem was tasked with creating a cabriolet intended for limited street use. This model measured long and weighed , utilizing the Dyna’s 750 cc flat-twin engine along with much of its suspension and drivetrain architecture. An upgraded 850 cc variant delivered enhanced performance, achieving speeds up to 140 km/h compared to the smaller engine’s 125–130 km/h. Panhard also engineered a racing barquette ("Tank") derived from the Antem cabriolet, which competed at Le Mans in 1951 and other competitions. Around twenty Antem cabriolets were produced in 1951 before DB shifted its attention to a coupé version known as the "Coach," predominantly designed by Deutsch and built on Dyna mechanicals with a central steel-tube chassis.
The steel-bodied 1952 Mille Miles, styled by Pietro Frua, celebrated class victories at the Mille Miglia as a compact GT powered by a 65 hp two-cylinder Panhard engine. At the 1953 Paris Salon, a fibreglass DB Coach designed by Chausson was introduced but did not enter series production until 1954. The HBR 4/5 model (produced from 1954 to 1959) became DB’s most successful undertaking, with several hundred units manufactured. This was succeeded by the Le Mans convertible and hardtop models, launched in 1959 and built by DB until 1962 before René Bonnet took over production until 1964. In total, approximately 660 Mille Miles/Coach/HBR vehicles and 232 DB Le Mans cars (excluding those made by Bonnet) were assembled. Later iterations featured engines up to 1.3 litres and optional supercharging, with extensive personalization ensuring each car was unique.
More racing success
Thanks to Deutsch’s aerodynamic expertise, DB race cars achieved remarkable top speeds despite their modest Panhard flat-twin engines. The marque claimed class wins three times at Le Mans, twice at the Sebring race, and four times at the Mille Miglia. Additionally, the team triumphed in the handicapped 1954 Tourist Trophy sports car event with drivers Laureau and Armagnac. DB consistently excelled in the "Index of Performance" category—favoring small-displacement, aerodynamically efficient cars—at Le Mans and various French competitions such as the Tour de France automobile race. In American SCCA events, DB secured numerous victories within the H-sports class.
Disagreement and the end of the partnership
Conflicts concerning drivetrain configuration—front-wheel drive versus mid-engine—and engine selection ultimately dissolved the partnership. Charles Deutsch, loyal to Panhard powertrains, departed DB in 1961 to found his own company (CD). Meanwhile, René Bonnet established Automobiles René Bonnet, concentrating on mid-engined vehicles powered by Renault engines; this enterprise later merged into Matra Automobiles. Deutsch then moved into engineering consultancy work.