Japan vs Japan — 1978 vs 1985
| RX-7 SA22C (FB) | RX-7 FC3S Turbo II | |
|---|---|---|
| Horsepower | 100 hp | 200 hp |
| Torque | 101 lb-ft | 195 lb-ft |
| Engine Size | 1,146 cc | 1,308 cc |
| 0-60 mph | 9.0 sec | 6.5 sec |
| Top Speed | 121 mph | 146 mph |
| ¼ Mile | 16.5 sec | 14.8 sec |
| Wheelbase | 2,420 mm | 2,430 mm |
| Length | 4,285 mm | 4,310 mm |
| Units Produced | 474,565 | 272,027 |
| Value (Excellent) | $30,000 | $40,000 |
| Collectibility | 5/10 | 5/10 |
| Rarity | 4/10 | 5/10 |
The 1985 Mazda RX-7 FC3S Turbo II emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1978 Mazda RX-7 SA22C (FB) 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.
Tracing the evolution of the Mazda RX-7 from 1978 to 1985 offers a compelling look at how automotive design and engineering progressed. These two variants showcase the changing face of Mazda. The 1985 Mazda RX-7 FC3S Turbo II holds a clear advantage in raw power with 200 hp compared to 100 hp, a 100-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda RX-7 uses a Wankel Rotary 12A displacing 1,146 cc, while the Mazda RX-7 relies on a Wankel Rotary 13B Twin-Scroll Turbocharged with 1,308 cc. In the sprint to 60 mph, the 1985 Mazda RX-7 FC3S Turbo II edges ahead at 6.5 seconds versus 9.0 seconds. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.