Japan vs USA — 1992 vs 1999
| RX-7 FD3S Twin Turbo | Series 1 Supercharged | |
|---|---|---|
| Horsepower | 255 hp | 450 hp |
| Torque | 217 lb-ft | 380 lb-ft |
| Engine Size | 1,308 cc | 3,990 cc |
| 0-60 mph | 5.0 sec | 3.9 sec |
| Top Speed | 155 mph | 175 mph |
| ¼ Mile | 13.7 sec | 12.3 sec |
| Weight | 2,888 lbs | 2,750 lbs |
| Wheelbase | 2,425 mm | 2,489 mm |
| Length | 4,285 mm | 4,191 mm |
| Units Produced | 68,589 | 249 |
| Original MSRP | $31,300 | $107,982 |
| Value (Excellent) | $90,000 | $250,000 |
| Collectibility | 9/10 | 7/10 |
| Rarity | 7/10 | 9/10 |
The 1999 Shelby Series 1 Supercharged emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1992 Mazda RX-7 FD3S Twin Turbo counters with stronger collectibility, better value, 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.
When Japan engineering meets USA craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1992 Mazda RX-7 FD3S Twin Turbo and 1999 Shelby Series 1 Supercharged embody their respective national automotive traditions while competing in the same arena. The 1999 Shelby Series 1 Supercharged holds a clear advantage in raw power with 450 hp compared to 255 hp, a 195-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda RX-7 uses a Twin-Rotor Wankel 13B-REW Twin Turbo displacing 1,308 cc, while the Shelby Series 1 relies on a V8 DOHC Supercharged with 3,990 cc. In the sprint to 60 mph, the 1999 Shelby Series 1 Supercharged edges ahead at 3.9 seconds versus 5.0 seconds. Rarity plays a significant role here — with only 249 units built, the 1999 Shelby Series 1 Supercharged is considerably scarcer than the Mazda RX-7's 68,589 examples. On the collector market, the 1999 Shelby Series 1 Supercharged commands a significant premium over the 1992 Mazda RX-7 FD3S Twin Turbo, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1992 Mazda RX-7 FD3S Twin Turbo rates higher among enthusiasts and auction houses.