Germany vs Germany — 1990 vs 1996
| SL 500SL (R129) | 850 CSi | |
|---|---|---|
| Horsepower | 322 hp | 380 hp |
| Torque | 354 lb-ft | 406 lb-ft |
| Engine Size | 4,973 cc | 5,576 cc |
| 0-60 mph | 6.2 sec | 5.6 sec |
| Top Speed | 155 mph | 155 mph |
| ¼ Mile | 14.5 sec | 13.9 sec |
| Weight | 3,990 lbs | 3,946 lbs |
| Wheelbase | 2,515 mm | 2,684 mm |
| Length | 4,470 mm | 4,780 mm |
| Units Produced | 85,000 | 1,510 |
| Original MSRP | $82,500 | $102,000 |
| Value (Excellent) | $50,000 | $180,000 |
| Collectibility | 6/10 | 9/10 |
| Rarity | 3/10 | 8/10 |
Numbers favor the 1996 BMW 850 CSi with more power, quicker acceleration, greater rarity. The 1990 Mercedes-Benz SL 500SL (R129) offers better value, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.
In the world of Grand Tourer cars, few comparisons generate as much discussion as the 1990 Mercedes-Benz SL 500SL (R129) versus the 1996 BMW 850 CSi. Both hail from Modern classic and represent the pinnacle of their respective manufacturers' ambitions. The 1996 BMW 850 CSi holds a clear advantage in raw power with 380 hp compared to 322 hp, a 58-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz SL uses a V8 DOHC 32V (M119) displacing 4,973 cc, while the BMW 850 relies on a V12 DOHC with 5,576 cc. In the sprint to 60 mph, the 1996 BMW 850 CSi edges ahead at 5.6 seconds versus 6.2 seconds. Rarity plays a significant role here — with only 1,510 units built, the 1996 BMW 850 CSi is considerably scarcer than the Mercedes-Benz SL's 85,000 examples. On the collector market, the 1996 BMW 850 CSi commands a significant premium over the 1990 Mercedes-Benz SL 500SL (R129), reflecting differences in prestige and rarity. From a collectibility standpoint, the 1996 BMW 850 CSi rates higher among enthusiasts and auction houses.