Germany vs Japan — 1996 vs 1991
| SL 73 AMG R129 | Eunos Cosmo 20B Type S | |
|---|---|---|
| Horsepower | 525 hp | 280 hp |
| Torque | 553 lb-ft | 296 lb-ft |
| Engine Size | 7,291 cc | 1,962 cc |
| 0-60 mph | 4.4 sec | 5.8 sec |
| Top Speed | 186 mph | 155 mph |
| ¼ Mile | 12.8 sec | 14.1 sec |
| Weight | 4,387 lbs | 3,395 lbs |
| Wheelbase | 2,515 mm | 2,750 mm |
| Length | 4,500 mm | 4,815 mm |
| Units Produced | 85 | 8,875 |
| Value (Excellent) | $650,000 | $125,000 |
| Collectibility | 9/10 | 9/10 |
| Rarity | 10/10 | 9/10 |
The 1996 Mercedes-Benz SL 73 AMG R129 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1991 Mazda Eunos Cosmo 20B Type S brings lighter weight, better value and remains a compelling choice for enthusiasts who value Mazda heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
When Germany engineering meets Japan craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1996 Mercedes-Benz SL 73 AMG R129 and 1991 Mazda Eunos Cosmo 20B Type S embody their respective national automotive traditions while competing in the same arena. The 1996 Mercedes-Benz SL 73 AMG R129 holds a clear advantage in raw power with 525 hp compared to 280 hp, a 245-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz SL 73 AMG uses a V12 SOHC 24V displacing 7,291 cc, while the Mazda Eunos Cosmo relies on a Triple-Rotor Wankel Turbo with 1,962 cc. In the sprint to 60 mph, the 1996 Mercedes-Benz SL 73 AMG R129 edges ahead at 4.4 seconds versus 5.8 seconds. The Mazda Eunos Cosmo carries a weight advantage, tipping the scales 992 lbs lighter. Rarity plays a significant role here — with only 85 units built, the 1996 Mercedes-Benz SL 73 AMG R129 is considerably scarcer than the Mazda Eunos Cosmo's 8,875 examples. On the collector market, the 1996 Mercedes-Benz SL 73 AMG R129 commands a significant premium over the 1991 Mazda Eunos Cosmo 20B Type S, reflecting differences in prestige and rarity.