The 1960 Peugeot 404 Coupe Pininfarina and 1975 Peugeot 604 SL V6 share a manufacturer in Peugeot, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Peugeot brand. The 1975 Peugeot 604 SL V6 holds a clear advantage in raw power with 136 hp compared to 96 hp, a 40-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Peugeot 404 uses a Inline-4 OHV displacing 1,618 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 14.0 seconds. The Peugeot 404 carries a weight advantage, tipping the scales 705 lbs lighter. Rarity plays a significant role here — with only 6,837 units built, the 1960 Peugeot 404 Coupe Pininfarina is considerably scarcer than the Peugeot 604's 153,252 examples. On the collector market, the 1960 Peugeot 404 Coupe Pininfarina commands a significant premium over the 1975 Peugeot 604 SL V6, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1960 Peugeot 404 Coupe Pininfarina rates higher among enthusiasts and auction houses.