Jaguar XJS

vs

Mazda Cosmo AP

UK vs Japan — 1975 vs 1975

Jaguar XJS (1975)
Mazda Cosmo AP (1975)
Specifications
XJS V12 CoupeCosmo AP Limited
Horsepower285 hp135 hp
Torque320 lb-ft134 lb-ft
Engine Size5,343 cc1,308 cc
0-60 mph7.6 sec9.0 sec
Top Speed150 mph121 mph
¼ Mile15.7 sec16.5 sec
Weight3,954 lbs2,469 lbs
Wheelbase2,591 mm2,510 mm
Length4,869 mm4,545 mm
Units Produced115,413
Original MSRP$19,000
Value (Excellent)$55,000$50,000
Collectibility6/107/10
Rarity4/108/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1975 Jaguar XJS V12 Coupe excels in more power, quicker acceleration, higher top speed, while the 1975 Mazda Cosmo AP Limited stands out for lighter weight, stronger collectibility. The best advice? Drive both if you can, then follow your instincts.

Overview

Putting the 1975 Jaguar XJS V12 Coupe against the 1975 Mazda Cosmo AP Limited is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus Japan. The 1975 Jaguar XJS V12 Coupe holds a clear advantage in raw power with 285 hp compared to 135 hp, a 150-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Jaguar XJS uses a V12 SOHC displacing 5,343 cc, while the Mazda Cosmo AP relies on a Twin-rotor Wankel (13B) with 1,308 cc. In the sprint to 60 mph, the 1975 Jaguar XJS V12 Coupe edges ahead at 7.6 seconds versus 9.0 seconds. The Mazda Cosmo AP carries a weight advantage, tipping the scales 1485 lbs lighter. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.