USA vs UK — 1967 vs 1972
| Crown Convertible | XJ12 Series III | |
|---|---|---|
| Horsepower | 350 hp | 295 hp |
| Torque | 470 lb-ft | 318 lb-ft |
| Engine Size | 7,210 cc | 5,343 cc |
| 0-60 mph | 9.5 sec | 7.1 sec |
| Top Speed | 115 mph | 146 mph |
| ¼ Mile | 16.8 sec | 15.2 sec |
| Weight | — | 4,200 lbs |
| Wheelbase | 3,264 mm | 2,865 mm |
| Length | 5,740 mm | 5,024 mm |
| Units Produced | 577 | 10,500 |
| Original MSRP | — | $38,000 |
| Value (Excellent) | $145,000 | $55,000 |
| Collectibility | 5/10 | 7/10 |
| Rarity | 9/10 | 5/10 |
The 1972 Jaguar XJ12 Series III emerges ahead in most objective measures, offering quicker acceleration, higher top speed, stronger collectibility. The 1967 Imperial Crown Convertible counters with more power, greater rarity, 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 1967 Imperial Crown Convertible 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 — USA versus UK. The 1967 Imperial Crown Convertible holds a clear advantage in raw power with 350 hp compared to 295 hp, a 55-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 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 9.5 seconds. Rarity plays a significant role here — with only 577 units built, the 1967 Imperial Crown Convertible is considerably scarcer than the Jaguar XJ12's 10,500 examples. On the collector market, the 1967 Imperial Crown Convertible commands a significant premium over the 1972 Jaguar XJ12 Series III, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1972 Jaguar XJ12 Series III rates higher among enthusiasts and auction houses.