UK vs West Germany — 1966 vs 1971
| FF Mk I | 350 SL / 450 SL R107 450 SL | |
|---|---|---|
| Horsepower | 325 hp | 225 hp |
| Torque | 430 lb-ft | 278 lb-ft |
| Engine Size | 6,276 cc | 4,520 cc |
| 0-60 mph | 7.5 sec | 8.8 sec |
| Top Speed | 135 mph | 130 mph |
| ¼ Mile | 15.5 sec | 16.5 sec |
| Weight | 4,003 lbs | 3,505 lbs |
| Wheelbase | 2,667 mm | 2,460 mm |
| Length | 4,877 mm | 4,390 mm |
| Units Produced | 320 | 237,287 |
| Original MSRP | $15,250 | $17,660 |
| Value (Excellent) | $300,000 | $80,000 |
| Collectibility | 9/10 | 7/10 |
| Rarity | 9/10 | 3/10 |
The 1966 Jensen FF Mk I holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL brings lighter weight, better value and remains a compelling choice for enthusiasts who value Mercedes-Benz heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Putting the 1966 Jensen FF Mk I against the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus West Germany. The 1966 Jensen FF Mk I holds a clear advantage in raw power with 325 hp compared to 225 hp, a 100-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Jensen FF uses a V8 OHV (Chrysler) displacing 6,276 cc, while the Mercedes-Benz 350 SL / 450 SL relies on a V8 SOHC with 4,520 cc. In the sprint to 60 mph, the 1966 Jensen FF Mk I edges ahead at 7.5 seconds versus 8.8 seconds. The Mercedes-Benz 350 SL / 450 SL carries a weight advantage, tipping the scales 498 lbs lighter. Rarity plays a significant role here — with only 320 units built, the 1966 Jensen FF Mk I is considerably scarcer than the Mercedes-Benz 350 SL / 450 SL's 237,287 examples. On the collector market, the 1966 Jensen FF Mk I commands a significant premium over the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1966 Jensen FF Mk I rates higher among enthusiasts and auction houses.