USA vs Germany — 1987 vs 1986
| Allante Convertible | 560 SEC W126 | |
|---|---|---|
| Horsepower | 295 hp | 300 hp |
| Torque | 290 lb-ft | 336 lb-ft |
| Engine Size | 4,565 cc | 5,547 cc |
| 0-60 mph | 6.4 sec | 6.3 sec |
| Top Speed | 150 mph | 155 mph |
| ¼ Mile | 14.9 sec | 14.6 sec |
| Weight | 3,650 lbs | 3,902 lbs |
| Wheelbase | 2,525 mm | 2,850 mm |
| Length | 4,531 mm | 4,935 mm |
| Units Produced | 21,430 | 28,929 |
| Original MSRP | $57,183 | $73,500 |
| Value (Excellent) | $38,000 | $80,000 |
| Collectibility | 6/10 | 7/10 |
| Rarity | 6/10 | 5/10 |
Two outstanding machines, each with compelling strengths. The 1987 Cadillac Allante Convertible excels in lighter weight, better value, while the 1986 Mercedes-Benz 560 SEC W126 stands out for quicker acceleration, higher top speed, stronger collectibility. The best advice? Drive both if you can, then follow your instincts.
Putting the 1987 Cadillac Allante Convertible against the 1986 Mercedes-Benz 560 SEC W126 is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — USA versus Germany. On paper, the two are remarkably close in power output, with the 1987 Cadillac Allante Convertible producing 295 hp and the 1986 Mercedes-Benz 560 SEC W126 delivering 300 hp. Under the hood, the contrast is notable: the Cadillac Allante uses a V8 OHV displacing 4,565 cc, while the Mercedes-Benz 560 SEC relies on a V8 SOHC 16V with 5,547 cc. In the sprint to 60 mph, the 1986 Mercedes-Benz 560 SEC W126 edges ahead at 6.3 seconds versus 6.4 seconds. The Cadillac Allante carries a weight advantage, tipping the scales 252 lbs lighter. On the collector market, the 1986 Mercedes-Benz 560 SEC W126 commands a significant premium over the 1987 Cadillac Allante Convertible, reflecting differences in prestige and rarity.