Czechoslovakia vs USA — 1964 vs 1967
| 603 | Crown Convertible | |
|---|---|---|
| Horsepower | 105 hp | 350 hp |
| Torque | 127 lb-ft | 470 lb-ft |
| Engine Size | 2,472 cc | 7,210 cc |
| 0-60 mph | 16.0 sec | 9.5 sec |
| Top Speed | 99 mph | 115 mph |
| ¼ Mile | 20.0 sec | 16.8 sec |
| Wheelbase | 2,710 mm | 3,264 mm |
| Length | 5,065 mm | 5,740 mm |
| Units Produced | — | 577 |
| Value (Excellent) | $95,000 | $145,000 |
| Collectibility | 5/10 | 5/10 |
| Rarity | 8/10 | 9/10 |
The 1967 Imperial Crown Convertible emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1964 Tatra 603 counters with better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
Putting the 1964 Tatra 603 against the 1967 Imperial Crown Convertible is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Czechoslovakia versus USA. The 1967 Imperial Crown Convertible holds a clear advantage in raw power with 350 hp compared to 105 hp, a 245-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Tatra 603 uses a V8 Air-Cooled OHV 16V displacing 2,472 cc, while the Imperial Crown relies on a V8 OHV with 7,210 cc. In the sprint to 60 mph, the 1967 Imperial Crown Convertible edges ahead at 9.5 seconds versus 16.0 seconds. Whether you prioritize driving dynamics, heritage, or aesthetic appeal, both contenders make a strong case for themselves.