Mazda Cosmo AP

vs

Aston Martin V8

Japan vs UK — 1975 vs 1977

Mazda Cosmo AP (1975)
Aston Martin V8 (1977)
Specifications
Cosmo AP LimitedV8 Vantage
Horsepower135 hp380 hp
Torque134 lb-ft420 lb-ft
Engine Size1,308 cc5,340 cc
0-60 mph9.0 sec5.3 sec
Top Speed121 mph170 mph
¼ Mile16.5 sec13.6 sec
Weight2,469 lbs3,891 lbs
Wheelbase2,510 mm2,610 mm
Length4,545 mm4,572 mm
Units Produced534
Original MSRP$58,000
Value (Excellent)$50,000$350,000
Collectibility7/109/10
Rarity8/108/10
The Verdict

The 1977 Aston Martin V8 Vantage emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1975 Mazda Cosmo AP Limited counters with lighter weight, 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.

Overview

Putting the 1975 Mazda Cosmo AP Limited against the 1977 Aston Martin V8 Vantage is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Japan versus UK. The 1977 Aston Martin V8 Vantage holds a clear advantage in raw power with 380 hp compared to 135 hp, a 245-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda Cosmo AP uses a Twin-rotor Wankel (13B) displacing 1,308 cc, while the Aston Martin V8 relies on a V8 DOHC with 5,340 cc. In the sprint to 60 mph, the 1977 Aston Martin V8 Vantage edges ahead at 5.3 seconds versus 9.0 seconds. The Mazda Cosmo AP carries a weight advantage, tipping the scales 1422 lbs lighter. On the collector market, the 1977 Aston Martin V8 Vantage 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 rates higher among enthusiasts and auction houses.