UK vs Japan — 1980 vs 1980
| Tasmin 420 SEAC | RX-7 FB Savanna GT | |
|---|---|---|
| Horsepower | 300 hp | 130 hp |
| Torque | 295 lb-ft | 123 lb-ft |
| Engine Size | 4,228 cc | 1,146 cc |
| 0-60 mph | 4.8 sec | 9.2 sec |
| Top Speed | 155 mph | 124 mph |
| ¼ Mile | 13.1 sec | 16.8 sec |
| Weight | 2,315 lbs | 2,326 lbs |
| Wheelbase | 2,286 mm | 2,420 mm |
| Length | 4,089 mm | 4,285 mm |
| Value (Excellent) | $75,000 | $35,000 |
| Collectibility | 7/10 | 8/10 |
| Rarity | 7/10 | 6/10 |
It's a closely fought contest. The 1980 TVR Tasmin 420 SEAC brings more power, quicker acceleration, higher top speed to the table, and the 1980 Mazda RX-7 FB Savanna GT answers with stronger collectibility, better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.
The rivalry between UK and Japan automotive industries has produced legendary matchups, and the 1980 TVR Tasmin 420 SEAC versus 1980 Mazda RX-7 FB Savanna GT is among the most fascinating. These two cars represent the best of their national engineering schools. The 1980 TVR Tasmin 420 SEAC holds a clear advantage in raw power with 300 hp compared to 130 hp, a 170-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the TVR Tasmin uses a V8 OHV displacing 4,228 cc, while the Mazda RX-7 relies on a Rotary Wankel with 1,146 cc. In the sprint to 60 mph, the 1980 TVR Tasmin 420 SEAC edges ahead at 4.8 seconds versus 9.2 seconds. Each of these machines offers a unique window into the era that produced it, making both worthy of consideration by collectors and drivers alike.