The Peugeot 504, specifically the 1.9 D (M20) variant produced between 1973 and 1986, represents a significant chapter in the history of French automotive engineering. Introduced as a replacement for the Peugeot 404, the 504 was designed to offer a more modern and sophisticated driving experience, appealing to a broader market. While not initially a major player in the North American market due to import restrictions and differing consumer preferences, the 504 achieved considerable success in Europe, Africa, and South America, becoming renowned for its durability, reliability, and independent suspension. The 1.9 D model, powered by the XD4x88 diesel engine, was particularly popular in regions where fuel economy and longevity were paramount. This variant offered a robust and economical alternative to gasoline-powered vehicles, cementing the 504’s reputation as a practical and dependable family car.
Peugeot 504 1.9 D (M20): A Detailed Overview
The Peugeot 504, launched in 1968, was a pivotal model for the French manufacturer. It was the first Peugeot to feature independent suspension on all four wheels, a significant advancement in ride comfort and handling at the time. The 504 was available in a variety of body styles, including a sedan, coupe, convertible, estate (wagon), and a pickup truck, catering to diverse needs and preferences. The 1.9 D (M20) version, introduced in 1973, marked Peugeot’s entry into the diesel passenger car market. This model was specifically designed to address the growing demand for fuel-efficient vehicles, particularly in the wake of the oil crises of the 1970s. The “M20” designation refers to a series of updates and improvements made to the 504 range during the 1980s, enhancing its overall refinement and reliability.
Engine & Performance
The heart of the Peugeot 504 1.9 D (M20) is the XD4x88 diesel engine. This 1.9-liter, naturally aspirated engine produces 54 horsepower. While this output may seem modest by modern standards, it was considered adequate for the vehicle’s intended purpose – providing reliable and economical transportation. The XD4x88 engine is known for its robust construction and inherent durability. It features indirect injection, a common diesel technology of the era, and a relatively simple mechanical design, contributing to its longevity and ease of maintenance. The engine’s torque characteristics, while not exceptionally high, are well-suited to everyday driving conditions, providing sufficient pulling power for navigating varied terrain. The 504 1.9 D was not designed for outright speed or performance; instead, it prioritized fuel efficiency and dependability. The engine is coupled with a four-speed manual transmission, delivering power to the rear wheels. This configuration provides a traditional driving experience, emphasizing driver engagement and control.
Design & Features
The Peugeot 504 1.9 D (M20) boasts a classic, elegant design penned by the renowned Italian styling house Pininfarina. The sedan body style features a long hood, a spacious cabin, and a relatively short rear deck, creating a balanced and aesthetically pleasing profile. The car’s design reflects the styling trends of the late 1960s and early 1970s, characterized by clean lines, a prominent grille, and relatively large windows. Inside, the 504 1.9 D offers a functional and comfortable interior, although it lacks the advanced features found in more modern vehicles. The dashboard is typically equipped with basic instrumentation, including a speedometer, fuel gauge, and temperature indicator. The seats are upholstered in durable cloth or vinyl, providing adequate support for long journeys. Safety features were relatively limited by the standards of the time, typically consisting of seat belts and a steering column designed to collapse in the event of a collision. However, the 504’s robust construction and solid build quality provided a degree of inherent safety. The 1.9 D model benefited from incremental improvements introduced with the “M20” updates, including refinements to the suspension, brakes, and interior trim. These enhancements contributed to a more refined and comfortable driving experience.
Technical Specifications
| Brand | Peugeot |
| Model | 504 |
| Generation | 504 |
| Type (Engine) | 1.9 D (M20) (54 Hp) |
| Start of production | 1973 |
| End of production | 1986 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Fuel Type | Diesel |
| Power | 54 Hp |
| Engine Model/Code | XD4x88 |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant capacity | 10 l (10.57 US qt | 8.8 UK qt) |
The Peugeot 504 1.9 D (M20) remains a cherished classic among automotive enthusiasts, particularly in regions where it enjoyed widespread popularity. Its enduring appeal stems from its combination of robust engineering, elegant design, and practical functionality. While it may not offer the performance or technological sophistication of modern vehicles, the 504 1.9 D represents a significant milestone in the evolution of the automobile, showcasing Peugeot’s commitment to innovation and quality. The XD4x88 engine, in particular, is celebrated for its longevity and reliability, ensuring that many 504 1.9 D models continue to operate reliably even today. The car’s legacy extends beyond its mechanical attributes; it also embodies a sense of style and sophistication that continues to resonate with car collectors and enthusiasts worldwide.
