USA vs UK — 1963 vs 1970
| Cobra 289 FIA Roadster | TR6 PI | |
|---|---|---|
| Horsepower | 271 hp | 150 hp |
| Torque | 310 lb-ft | 180 lb-ft |
| Engine Size | 4,727 cc | 2,498 cc |
| 0-60 mph | 5.5 sec | 8.2 sec |
| Top Speed | 155 mph | 120 mph |
| ¼ Mile | 13.2 sec | 16.3 sec |
| Weight | 2,150 lbs | 2,315 lbs |
| Wheelbase | 2,286 mm | 2,235 mm |
| Length | 3,835 mm | 4,140 mm |
| Units Produced | 654 | 94,619 |
| Original MSRP | $5,995 | $3,295 |
| Value (Excellent) | $2,500,000 | $42,000 |
| Collectibility | 10/10 | 7/10 |
| Rarity | 9/10 | 4/10 |
On balance, the 1963 Shelby Cobra 289 FIA Roadster makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1970 Triumph TR6 PI counters with better value, and its appeal extends beyond mere numbers. Choose the 1963 Shelby Cobra 289 FIA Roadster for outright capability, or the 1970 Triumph TR6 PI for a more distinctive ownership experience.
The rivalry between USA and UK automotive industries has produced legendary matchups, and the 1963 Shelby Cobra 289 FIA Roadster versus 1970 Triumph TR6 PI is among the most fascinating. These two cars represent the best of their national engineering schools. The 1963 Shelby Cobra 289 FIA Roadster holds a clear advantage in raw power with 271 hp compared to 150 hp, a 121-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Shelby Cobra 289 uses a V8 OHV displacing 4,727 cc, while the Triumph TR6 relies on a Inline-6 OHV with 2,498 cc. In the sprint to 60 mph, the 1963 Shelby Cobra 289 FIA Roadster edges ahead at 5.5 seconds versus 8.2 seconds. Rarity plays a significant role here — with only 654 units built, the 1963 Shelby Cobra 289 FIA Roadster is considerably scarcer than the Triumph TR6's 94,619 examples. On the collector market, the 1963 Shelby Cobra 289 FIA Roadster commands a significant premium over the 1970 Triumph TR6 PI, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1963 Shelby Cobra 289 FIA Roadster rates higher among enthusiasts and auction houses.