France vs France — 1997 vs 1975
| 406 Coupe V6 | 604 SL V6 | |
|---|---|---|
| Horsepower | 210 hp | 136 hp |
| Torque | 210 lb-ft | 159 lb-ft |
| Engine Size | 2,946 cc | 2,664 cc |
| 0-60 mph | 7.0 sec | 10.5 sec |
| Top Speed | 149 mph | 118 mph |
| ¼ Mile | 15.3 sec | 17.8 sec |
| Weight | 3,153 lbs | 3,086 lbs |
| Wheelbase | 2,700 mm | 2,800 mm |
| Length | 4,620 mm | 4,720 mm |
| Units Produced | 107,610 | 153,252 |
| Value (Excellent) | $20,000 | $18,000 |
| Collectibility | 6/10 | 4/10 |
| Rarity | 5/10 | 6/10 |
The 1997 Peugeot 406 Coupe V6 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1975 Peugeot 604 SL V6 brings its own distinct appeal and remains a compelling choice for enthusiasts who value Peugeot heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Within the Peugeot stable, the 1997 Peugeot 406 Coupe V6 and 1975 Peugeot 604 SL V6 represent different approaches to performance and purpose. Both carry the Peugeot badge, yet each carves out its own distinct identity. The 1997 Peugeot 406 Coupe V6 holds a clear advantage in raw power with 210 hp compared to 136 hp, a 74-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Peugeot 406 uses a V6 DOHC 24V displacing 2,946 cc, while the Peugeot 604 relies on a V6 SOHC 12V with 2,664 cc. In the sprint to 60 mph, the 1997 Peugeot 406 Coupe V6 edges ahead at 7.0 seconds versus 10.5 seconds. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1997 Peugeot 406 Coupe V6 rates higher among enthusiasts and auction houses.