Japan vs Japan — 1967 vs 1991
| Cosmo Sport 110S (L10B) | 787B | |
|---|---|---|
| Horsepower | 128 hp | 700 hp |
| Torque | 96 lb-ft | 448 lb-ft |
| Engine Size | 982 cc | 2,616 cc |
| 0-60 mph | 8.7 sec | — |
| Top Speed | 115 mph | 225 mph |
| ¼ Mile | 16.0 sec | — |
| Weight | — | 1,830 lbs |
| Wheelbase | 2,200 mm | 2,610 mm |
| Length | 4,140 mm | 4,782 mm |
| Units Produced | 1,176 | 3 |
| Value (Excellent) | $150,000 | $35,000,000 |
| Collectibility | 5/10 | 10/10 |
| Rarity | 10/10 | 10/10 |
The 1991 Mazda 787B emerges ahead in most objective measures, offering more power, higher top speed, greater rarity. The 1967 Mazda Cosmo Sport 110S (L10B) counters with 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.
Within the Mazda stable, the 1967 Mazda Cosmo Sport 110S (L10B) and 1991 Mazda 787B represent different approaches to performance and purpose. Both carry the Mazda badge, yet each carves out its own distinct identity. The 1991 Mazda 787B holds a clear advantage in raw power with 700 hp compared to 128 hp, a 572-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda Cosmo Sport uses a Twin-Rotor Wankel displacing 982 cc, while the Mazda 787B relies on a Quad-Rotor Wankel (R26B) with 2,616 cc. The 1991 Mazda 787B claims a higher top speed at 225 mph compared to 115 mph. Rarity plays a significant role here — with only 3 units built, the 1991 Mazda 787B is considerably scarcer than the Mazda Cosmo Sport's 1,176 examples. On the collector market, the 1991 Mazda 787B commands a significant premium over the 1967 Mazda Cosmo Sport 110S (L10B), reflecting differences in prestige and rarity. From a collectibility standpoint, the 1991 Mazda 787B rates higher among enthusiasts and auction houses.