USA vs Germany — 1967 vs 1968
| Crown Convertible | 300 SEL 6.3 | |
|---|---|---|
| Horsepower | 350 hp | 250 hp |
| Torque | 470 lb-ft | — |
| Engine Size | 7,210 cc | 6,332 cc |
| 0-60 mph | 9.5 sec | — |
| Top Speed | 115 mph | — |
| ¼ Mile | 16.8 sec | — |
| Wheelbase | 3,264 mm | 2,865 mm |
| Length | 5,740 mm | 5,010 mm |
| Units Produced | 577 | 6,526 |
| Value (Excellent) | $145,000 | $180,000 |
| Collectibility | 5/10 | 5/10 |
| Rarity | 9/10 | 10/10 |
On balance, the 1967 Imperial Crown Convertible makes a stronger case on paper with more power, greater rarity, better value. However, the 1968 Mercedes-Benz 300 SEL 6.3 counters with its own distinct appeal, and its appeal extends beyond mere numbers. Choose the 1967 Imperial Crown Convertible for outright capability, or the 1968 Mercedes-Benz 300 SEL 6.3 for a more distinctive ownership experience.
The rivalry between USA and Germany automotive industries has produced legendary matchups, and the 1967 Imperial Crown Convertible versus 1968 Mercedes-Benz 300 SEL 6.3 is among the most fascinating. These two cars represent the best of their national engineering schools. The 1967 Imperial Crown Convertible holds a clear advantage in raw power with 350 hp compared to 250 hp, a 100-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Imperial Crown uses a V8 OHV displacing 7,210 cc, while the Mercedes-Benz 300 SEL relies on a V8 with 6,332 cc. Rarity plays a significant role here — with only 577 units built, the 1967 Imperial Crown Convertible is considerably scarcer than the Mercedes-Benz 300 SEL's 6,526 examples.