Peugeot 505 (551A) 2.5 Diesel (75 Hp)

The Peugeot 505, produced between 1978 and 1993, represented a significant step forward for the French manufacturer, offering a larger, more refined, and technologically advanced vehicle compared to its predecessor, the 504. The 505 (551A) 2.5 Diesel, specifically, was a popular variant, particularly in European markets where diesel engines were favored for their fuel efficiency and durability. While not officially sold in the United States, the 505 held a strong position as a comfortable and reliable executive sedan, competing with models like the Mercedes-Benz W123 and BMW E28. This article details the technical specifications and characteristics of the 505 (551A) 2.5 Diesel (75 Hp) model.

Peugeot 505 (551A) 2.5 Diesel: An Overview

The 505 was Peugeot’s flagship sedan during its production run, designed to appeal to buyers seeking a blend of sophistication, practicality, and performance. The 551A designation refers to a specific iteration of the 505, encompassing models produced from 1981 to 1993. The 2.5-liter diesel engine variant was a key offering, providing a balance between fuel economy and adequate power for long-distance cruising. The 505 was known for its robust build quality and independent suspension, contributing to a comfortable ride and stable handling.

Engine & Performance

The heart of the 505 (551A) 2.5 Diesel is its 2.5-liter (2498 cm³ or 152.44 cu. in.) inline-four cylinder diesel engine, designated the 155 XD3. This naturally aspirated engine produces 75 horsepower at 4500 rpm and 147 Nm (108.42 lb.-ft.) of torque at 2000 rpm. While not a performance powerhouse, the engine’s torque output provides reasonable acceleration and good pulling power. The engine features a precombustion chamber injection system, a common diesel technology of the era. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 18 seconds, and 0 to 60 mph is achieved in around 17.1 seconds. The top speed is rated at 152 km/h (94.45 mph). The power-to-weight ratio is 17.1 kg/Hp, and the torque-to-weight ratio is 8.7 kg/Nm. Fuel economy is a strong point, with combined cycle consumption rated at 9 l/100 km (26.1 US mpg or 31.4 UK mpg).

Design & Features

The Peugeot 505 is a four-door sedan with a classic, understated design. Pininfarina, the renowned Italian design house, contributed to the styling, resulting in a sleek and elegant profile. The car’s interior was designed with comfort and practicality in mind, offering seating for five passengers. Key features included hydraulic power steering, disc brakes on the front wheels, and drum brakes on the rear. The 505 (551A) also incorporated an Anti-lock Braking System (ABS), a relatively advanced safety feature for its time. The trunk offers a minimum capacity of 485 liters (17.13 cu. ft.). The vehicle’s longitudinal engine layout and rear-wheel drive configuration contribute to its balanced handling characteristics. The 505’s robust construction and independent suspension system provided a comfortable and controlled ride, making it well-suited for long journeys.

Technical Specifications

The Peugeot 505 (551A) 2.5 Diesel, while not a high-performance vehicle, offered a compelling package of comfort, reliability, and fuel efficiency. Its robust engineering and classic design have ensured its continued appreciation among automotive enthusiasts, particularly in Europe, where it remains a symbol of French automotive excellence.