UK vs Japan — 1977 vs 1975
| V8 Vantage 580X | Cosmo AP Limited | |
|---|---|---|
| Horsepower | 400 hp | 135 hp |
| Torque | 400 lb-ft | 134 lb-ft |
| Engine Size | 5,340 cc | 1,308 cc |
| 0-60 mph | 5.2 sec | 9.0 sec |
| Top Speed | 170 mph | 121 mph |
| ¼ Mile | 13.5 sec | 16.5 sec |
| Weight | 3,836 lbs | 2,469 lbs |
| Wheelbase | 2,610 mm | 2,510 mm |
| Length | 4,610 mm | 4,545 mm |
| Units Produced | 534 | — |
| Original MSRP | $83,000 | — |
| Value (Excellent) | $1,200,000 | $50,000 |
| Collectibility | 9/10 | 7/10 |
| Rarity | 8/10 | 8/10 |
On balance, the 1977 Aston Martin V8 Vantage 580X makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1975 Mazda Cosmo AP Limited counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1977 Aston Martin V8 Vantage 580X for outright capability, or the 1975 Mazda Cosmo AP Limited for a more distinctive ownership experience.
The rivalry between UK and Japan automotive industries has produced legendary matchups, and the 1977 Aston Martin V8 Vantage 580X versus 1975 Mazda Cosmo AP Limited is among the most fascinating. These two cars represent the best of their national engineering schools. The 1977 Aston Martin V8 Vantage 580X holds a clear advantage in raw power with 400 hp compared to 135 hp, a 265-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Aston Martin V8 Vantage uses a V8 DOHC displacing 5,340 cc, while the Mazda Cosmo AP relies on a Twin-rotor Wankel (13B) with 1,308 cc. In the sprint to 60 mph, the 1977 Aston Martin V8 Vantage 580X edges ahead at 5.2 seconds versus 9.0 seconds. The Mazda Cosmo AP carries a weight advantage, tipping the scales 1367 lbs lighter. On the collector market, the 1977 Aston Martin V8 Vantage 580X commands a significant premium over the 1975 Mazda Cosmo AP Limited, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1977 Aston Martin V8 Vantage 580X rates higher among enthusiasts and auction houses.