Mazda Eunos Cosmo

vs

Mazda Familia GT-R

Japan vs Japan — 1990 vs 1989

Mazda Eunos Cosmo (1990)
Mazda Familia GT-R (1989)
Specifications
Eunos Cosmo 20B Type SFamilia GT-R BG8Z
Horsepower300 hp210 hp
Torque300 lb-ft184 lb-ft
Engine Size1,962 cc1,840 cc
0-60 mph5.0 sec6.0 sec
Top Speed158 mph143 mph
¼ Mile13.5 sec14.4 sec
Weight3,616 lbs2,601 lbs
Wheelbase2,750 mm2,500 mm
Length4,815 mm4,030 mm
Units Produced8,8755,000
Value (Excellent)$80,000$55,000
Collectibility8/108/10
Rarity8/108/10
The Verdict

It's a closely fought contest. The 1990 Mazda Eunos Cosmo 20B Type S brings more power, quicker acceleration, higher top speed to the table, and the 1989 Mazda Familia GT-R BG8Z answers with lighter weight, better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.

Overview

Mazda has long offered a diverse lineup, and comparing the 1990 Mazda Eunos Cosmo 20B Type S with the 1989 Mazda Familia GT-R BG8Z highlights the breadth of the marque's engineering philosophy. The 1990 Mazda Eunos Cosmo 20B Type S holds a clear advantage in raw power with 300 hp compared to 210 hp, a 90-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda Eunos Cosmo uses a Triple-Rotor Wankel (20B-REW) displacing 1,962 cc, while the Mazda Familia GT-R relies on a Inline-4 DOHC Turbocharged with 1,840 cc. In the sprint to 60 mph, the 1990 Mazda Eunos Cosmo 20B Type S edges ahead at 5.0 seconds versus 6.0 seconds. The Mazda Familia GT-R carries a weight advantage, tipping the scales 1015 lbs lighter. Each of these machines offers a unique window into the era that produced it, making both worthy of consideration by collectors and drivers alike.