Japan vs Japan — 1990 vs 1989

| Eunos Cosmo 20B Type S | Familia GT-R BG8Z | |
|---|---|---|
| Horsepower | 300 hp | 210 hp |
| Torque | 300 lb-ft | 184 lb-ft |
| Engine Size | 1,962 cc | 1,840 cc |
| 0-60 mph | 5.0 sec | 6.0 sec |
| Top Speed | 158 mph | 143 mph |
| ¼ Mile | 13.5 sec | 14.4 sec |
| Weight | 3,616 lbs | 2,601 lbs |
| Wheelbase | 2,750 mm | 2,500 mm |
| Length | 4,815 mm | 4,030 mm |
| Units Produced | 8,875 | 5,000 |
| Value (Excellent) | $80,000 | $55,000 |
| Collectibility | 8/10 | 8/10 |
| Rarity | 8/10 | 8/10 |
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.
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.