What is the Peugeot 604?
The Peugeot 604 is a large four-door saloon that sat near the top of the brand’s range. Its formal shape and spacious cabin suited drivers looking for a larger, more traditional Peugeot. It marked the company’s return to the upper end of the saloon market after a long gap.
Peugeot began as a family industrial business in France, making steel goods before moving into bicycles and cars. The 604 carried the brand’s story into the executive saloon class.
Generations and engines
The 604 is generally treated as one generation. The United States EPA entry for 1984 lists two diesel versions with a 2.3 L engine.
How economical is the Peugeot 604?
The U.S. EPA combined rating listed for 1984 is 24 MPG. The lowest listed consumption is 9.8 L/100 km (EPA); the listing associates this figure with petrol, diesel and hybrid versions, while the U.S. 604 entry identifies diesel versions.
Fuel economy tests differ by region: Europe uses WLTP or the older NEDC procedure, the United States uses EPA testing, and Canada uses a five-cycle procedure. These results are not directly interchangeable.
Where was the Peugeot 604 sold?
The figures here are for the United States, with EPA results for 1984.
Questions and answers
When was the Peugeot 604 produced?
The 604 was sold from 1975 to 1985.
What engine is listed for the U.S. 604?
The 1984 U.S. entry lists two diesel versions with a 2.3 L engine.
What is its EPA combined fuel-economy figure?
The listed combined rating is 24 MPG for the 1984 U.S. market.
Does the 604 have an official CO₂ figure?
No CO₂ figure is listed for the 604.