France vs France — 1968 vs 1975
| 504 Coupe | 604 SL V6 | |
|---|---|---|
| Horsepower | 136 hp | 136 hp |
| Torque | 150 lb-ft | 159 lb-ft |
| Engine Size | 2,664 cc | 2,664 cc |
| 0-60 mph | 10.5 sec | 10.5 sec |
| Top Speed | 115 mph | 118 mph |
| ¼ Mile | 17.5 sec | 17.8 sec |
| Weight | 2,756 lbs | 3,086 lbs |
| Wheelbase | 2,700 mm | 2,800 mm |
| Length | 4,510 mm | 4,720 mm |
| Units Produced | 21,800 | 153,252 |
| Original MSRP | $7,500 | — |
| Value (Excellent) | $70,000 | $18,000 |
| Collectibility | 8/10 | 4/10 |
| Rarity | 7/10 | 6/10 |
This matchup is remarkably close. The 1968 Peugeot 504 Coupe offers lighter weight, greater rarity, stronger collectibility, while the 1975 Peugeot 604 SL V6 counters with quicker acceleration, higher top speed, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.
Within the Peugeot stable, the 1968 Peugeot 504 Coupe 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. On paper, the two are remarkably close in power output, with the 1968 Peugeot 504 Coupe producing 136 hp and the 1975 Peugeot 604 SL V6 delivering 136 hp. Under the hood, the contrast is notable: the Peugeot 504 uses a V6 OHV PRV displacing 2,664 cc, while the Peugeot 604 relies on a V6 SOHC 12V with 2,664 cc. In the sprint to 60 mph, the 1975 Peugeot 604 SL V6 edges ahead at 10.5 seconds versus 10.5 seconds. The Peugeot 504 carries a weight advantage, tipping the scales 330 lbs lighter. Rarity plays a significant role here — with only 21,800 units built, the 1968 Peugeot 504 Coupe is considerably scarcer than the Peugeot 604's 153,252 examples. On the collector market, the 1968 Peugeot 504 Coupe commands a significant premium over the 1975 Peugeot 604 SL V6, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1968 Peugeot 504 Coupe rates higher among enthusiasts and auction houses.