UK vs USA — 1966 vs 1963
| Interceptor Mark III | Riviera 1st Generation | |
|---|---|---|
| Horsepower | 330 hp | 325 hp |
| Torque | 420 lb-ft | 425 lb-ft |
| Engine Size | 7,212 cc | 6,571 cc |
| 0-60 mph | 6.5 sec | 8.0 sec |
| Top Speed | 140 mph | 120 mph |
| ¼ Mile | 14.8 sec | 15.5 sec |
| Weight | 3,858 lbs | — |
| Wheelbase | 2,667 mm | 3,023 mm |
| Length | 4,724 mm | 5,334 mm |
| Units Produced | 6,408 | 40,000 |
| Original MSRP | $13,500 | — |
| Value (Excellent) | $150,000 | $65,000 |
| Collectibility | 7/10 | 5/10 |
| Rarity | 7/10 | 5/10 |
The 1966 Jensen Interceptor Mark III holds an edge across most measurable criteria, offering quicker acceleration, higher top speed, greater rarity. That said, the 1963 Buick Riviera 1st Generation brings better value and remains a compelling choice for enthusiasts who value Buick heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
When UK engineering meets USA craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1966 Jensen Interceptor Mark III and 1963 Buick Riviera 1st Generation embody their respective national automotive traditions while competing in the same arena. On paper, the two are remarkably close in power output, with the 1966 Jensen Interceptor Mark III producing 330 hp and the 1963 Buick Riviera 1st Generation delivering 325 hp. Under the hood, the contrast is notable: the Jensen Interceptor uses a V8 Chrysler 440 Big Block displacing 7,212 cc, while the Buick Riviera relies on a V8 OHV with 6,571 cc. In the sprint to 60 mph, the 1966 Jensen Interceptor Mark III edges ahead at 6.5 seconds versus 8.0 seconds. Rarity plays a significant role here — with only 6,408 units built, the 1966 Jensen Interceptor Mark III is considerably scarcer than the Buick Riviera's 40,000 examples. On the collector market, the 1966 Jensen Interceptor Mark III commands a significant premium over the 1963 Buick Riviera 1st Generation, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1966 Jensen Interceptor Mark III rates higher among enthusiasts and auction houses.