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Adler

Germany Est. 1880 German Pre-War Pioneer Front-Wheel Drive 1932

Adler was one of Germany's most innovative automotive pioneers — a Frankfurt company whose engineering ambitions ranged from the humble bicycle to the sophisticated front-wheel-drive automobile, decades before such technology became mainstream. Although Adler ceased car production in 1939, its vehicles remain icons of pre-war German engineering, and its role in establishing front-wheel drive as a viable layout for production cars places it firmly in the history books.

1900

Founded

1939

Last Car Produced

Trumpf

Signature Model

FWD

Front-Wheel Drive Pioneer

Origins & Heritage

Adler — the German word for eagle — was founded in Frankfurt am Main in 1880 by Heinrich Kleyer, initially as a producer of bicycles at a time when cycling was the dominant personal transport technology. As the transport revolution gathered pace, Kleyer expanded into typewriters in 1898, motorcycles in 1900, and automobiles in 1900, making Adler one of the first German companies to produce all four of these products simultaneously. The company's emblem — the eagle — reflected its ambition to soar above the competition.

Adler established itself as a credible automobile manufacturer through the first decade of the twentieth century, producing touring cars of increasing sophistication for Germany's emerging middle class. The company's fortunes were transformed in 1932 when it launched the Trumpf — Germany's first mass-produced front-wheel-drive automobile. Designed by Hans Gustav Röhr, the Trumpf's front-wheel-drive layout, combined with its aerodynamic styling and independent suspension, placed it years ahead of mainstream European practice.

The Trumpf and its smaller sibling the Trumpf Junior became the most technically advanced affordable cars in Germany during the 1930s, praised by the motoring press for their handling, stability, and ride quality. When Adler ceased car production in 1939 to focus on military motorcycles and typewriters for the war effort, it left behind a legacy of engineering innovation that influenced German automotive thinking for a generation. The company was absorbed into Grundig's conglomerate after the war, and the car-making chapter closed permanently.

Key Milestones

1880

Heinrich Kleyer founds the Adlerwerke in Frankfurt am Main as a bicycle manufacturer, establishing the company that will grow into one of Germany's most diverse industrial enterprises.

1900

Adler produces its first automobile — a licensed version of the De Dion-Bouton vehicle — alongside its first motorcycle, establishing the transport portfolio that will define the company for decades.

1902

Adler begins producing its own-designed automobiles rather than licensed copies, establishing an in-house engineering capability that will grow through the following decades.

1913

Adler becomes a major automobile manufacturer in Germany, with a comprehensive range of touring cars spanning economy to luxury segments, competing with Mercedes-Benz and Horch.

1932

The Adler Trumpf is launched — Germany's first mass-produced front-wheel-drive car, with independent suspension and aerodynamic styling designed by Hans Gustav Röhr; it revolutionises the German mid-size market.

1934

The Adler Trumpf Junior is introduced as a more accessible companion to the Trumpf, bringing front-wheel-drive technology to a wider segment of the market at a reduced price point.

1939

Adler ceases automobile production to focus entirely on military motorcycles and typewriters for the war effort, ending 39 years of car manufacturing.

1957

Adler's typewriter and office equipment business is absorbed into Grundig's industrial empire, and the Adler name gradually disappears from German industrial life.

Notable Models

Adler's car range spanned nearly four decades, from modest pre-war tourers to technically sophisticated front-wheel-drive machines that set the standard for German engineering in the 1930s.

Adler Standard 6

A refined six-cylinder touring car from the late 1920s, demonstrating Adler's ability to compete with established German luxury manufacturers on engineering quality and build standard.

Adler Trumpf

Germany's first mass-produced front-wheel-drive car, launched in 1932 — a technically revolutionary vehicle whose layout, suspension design, and aerodynamic body influenced European car design for a generation.

Adler Trumpf Junior

The accessible companion to the Trumpf, bringing front-wheel-drive technology and the Trumpf's engineering sophistication to a broader middle-class audience at a more competitive price.

Adler 2.5 Litre

Adler's prestige offering from the mid-1930s — a larger, more powerful touring car with elegant coachwork available from specialist coachbuilders, aimed at Germany's professional class.

Adler Diplomat

Adler's prestigious rear-wheel-drive limousine (1934–1938) — a large six-cylinder tourer competing with Horch, Wanderer, and Mercedes-Benz in the upper-middle German segment.

Adler Favorit

Mid-size front-wheel-drive limousine (1934–1938) — bridging the Trumpf Junior and the Diplomat; Adler's technically sophisticated mid-range offering for the German professional class.

Adler 10/20 PS

Post-World War I four-cylinder tourer (c.1919–1927) — 2.6-litre, 20 PS; a typical touring automobile of the transitional era between pre-war craftsmanship and modern production methods.

Adler 10/25 PS

Updated touring car with 25 PS output (c.1921–1927) — refined successor to the 10/20 PS with modest power increase and improved specification; a reliable German tourer of the early 1920s.

Adler 5/11 PS

Pre-World War I light tourer (c.1909–1919) — 1.4-litre four-cylinder, 11 PS; one of Adler's more accessible models, bringing the brand's quality to a broader middle-class market.

Adler 6/24 PS

Pre-war mid-range tourer (1913–1919) — approx. 1.6-litre four-cylinder, 24 PS; produced in the years immediately before and throughout World War I, representing Adler's established touring car range.

Adler 6/25 PS

Post-war updated tourer (1924–1926) — successor to the 6/24 PS with increased output; typical of the model refinements Adler introduced as production normalised in the early 1920s.

Adler 7/17 PS

Immediate post-war touring car (1920–1922) — approx. 1.9-litre four-cylinder, 17 PS; produced as Adler re-established its manufacturing programme following the disruption of World War I.

Adler 9/24 PS

Mid-range 1920s tourer (1924–1928) — approx. 2.3-litre four-cylinder, 24 PS; a capable touring automobile from the period when Adler was developing the technical philosophy that would produce the Trumpf.

Adler in Pictures

Adler's vehicles represent the pinnacle of German pre-war automotive engineering — technically innovative, elegantly styled, and built to standards that earned the brand comparison with far larger competitors.

Adler Trumpf Junior · 1934

Adler Standard 6 · 1927

Adler Trumpf · 1932

Adler 2.5 Litre Sport · 1937

Adler Favorit · 1937

Adler M250 Motorcycle · 1950s

Engineering Legacy

Adler's most enduring contribution to automotive history is the Trumpf's front-wheel-drive system — a layout that Hans Gustav Röhr developed into a viable production solution decades before most manufacturers considered it practical. The Trumpf combined its driven front wheels with independent suspension at all four corners, producing handling and stability characteristics that rear-wheel-drive contemporaries could not match in wet or slippery conditions.

Beyond the Trumpf, Adler's contribution to Germany's industrial and transport infrastructure should not be underestimated. As a manufacturer of bicycles, motorcycles, typewriters, and automobiles simultaneously, Adler demonstrated the manufacturing versatility that defined German industrial success in the early twentieth century. The company's demise was a result of historical circumstance rather than commercial failure — at the time car production ceased, Adler was producing some of the most technically advanced affordable cars in Europe.

Front-wheel-drive innovation — the Trumpf's adoption of front-wheel drive for a mass-production car in 1932 was a decisive step that demonstrated the layout's feasibility and influenced every subsequent FWD design in Europe
All-independent suspension — the Trumpf combined front-wheel drive with independent suspension at all four corners, a combination that remained rare in European cars for another two decades
Aerodynamic body design — Adler's 1930s models featured more aerodynamically considered bodywork than most German contemporaries, reflecting the engineering culture that produced the technically advanced Trumpf
Multi-industry manufacturing — Adler's ability to design and produce bicycles, motorcycles, typewriters, and automobiles from the same Frankfurt plant demonstrated a manufacturing capability that few contemporaries could match

Adler in Azerbaijan

Adler vehicles are extreme rarities anywhere in the world, including Azerbaijan. As pre-war German automobiles that ceased production in 1939, surviving examples are primarily found in specialist museums and the collections of dedicated pre-war automobile enthusiasts. Their historical significance — as pioneers of front-wheel-drive technology and as examples of Germany's pre-war engineering culture — gives them considerable interest for automotive historians and collectors.

For Azerbaijani enthusiasts with an interest in automotive history, Adler represents one of the great forgotten names of early motoring — a company whose technical achievements were overshadowed by the dramatic events of the war years and by the post-war dominance of Volkswagen and other volume manufacturers. Specialist dealers in classic European automobiles occasionally locate surviving Adler examples through estate sales and European museum deaccessions.

Why Adler?

Front-wheel-drive pioneer: Adler introduced Germany's first mass-produced front-wheel-drive car in 1932 — a technical achievement that placed it ahead of every major European manufacturer and established a layout that now dominates global car production.
Exceptional rarity: With car production ceasing in 1939 and the company absorbed shortly after the war, surviving Adler automobiles are among the rarest pre-war German vehicles in existence — of genuine historical significance.
Important industrial heritage: As a manufacturer of bicycles, motorcycles, typewriters, and automobiles simultaneously, Adler represents the industrial ambition of early twentieth-century Germany at its most characteristic.
Overlooked collector opportunity: Pre-war front-wheel-drive cars from Germany are systematically undervalued relative to their historical importance — Adler Trumpf examples represent a genuine collector opportunity that has not yet been fully recognised by the market.