Czechoslovakia vs UK — 1964 vs 1972
| 603 | XJ12 Series III | |
|---|---|---|
| Horsepower | 105 hp | 295 hp |
| Torque | 127 lb-ft | 318 lb-ft |
| Engine Size | 2,472 cc | 5,343 cc |
| 0-60 mph | 16.0 sec | 7.1 sec |
| Top Speed | 99 mph | 146 mph |
| ¼ Mile | 20.0 sec | 15.2 sec |
| Weight | — | 4,200 lbs |
| Wheelbase | 2,710 mm | 2,865 mm |
| Length | 5,065 mm | 5,024 mm |
| Units Produced | — | 10,500 |
| Original MSRP | — | $38,000 |
| Value (Excellent) | $95,000 | $55,000 |
| Collectibility | 5/10 | 7/10 |
| Rarity | 8/10 | 5/10 |
The 1972 Jaguar XJ12 Series III emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1964 Tatra 603 counters with its unique character, 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 1972 Jaguar XJ12 Series III is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Czechoslovakia versus UK. The 1972 Jaguar XJ12 Series III holds a clear advantage in raw power with 295 hp compared to 105 hp, a 190-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 Jaguar XJ12 relies on a V12 SOHC with 5,343 cc. In the sprint to 60 mph, the 1972 Jaguar XJ12 Series III edges ahead at 7.1 seconds versus 16.0 seconds. From a collectibility standpoint, the 1972 Jaguar XJ12 Series III rates higher among enthusiasts and auction houses.