Peugeot 406

vs

Mercedes-Benz 560 SEC

France vs Germany — 1997 vs 1986

Peugeot 406 (1997)
Mercedes-Benz 560 SEC (1986)
Specifications
406 Coupe V6560 SEC W126
Horsepower210 hp300 hp
Torque210 lb-ft336 lb-ft
Engine Size2,946 cc5,547 cc
0-60 mph7.0 sec6.3 sec
Top Speed149 mph155 mph
¼ Mile15.3 sec14.6 sec
Weight3,153 lbs3,902 lbs
Wheelbase2,700 mm2,850 mm
Length4,620 mm4,935 mm
Units Produced107,61028,929
Original MSRP$73,500
Value (Excellent)$20,000$80,000
Collectibility6/107/10
Rarity5/105/10
The Verdict

Numbers favor the 1986 Mercedes-Benz 560 SEC W126 with more power, quicker acceleration, higher top speed. The 1997 Peugeot 406 Coupe V6 offers lighter weight, better value, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.

Overview

The rivalry between France and Germany automotive industries has produced legendary matchups, and the 1997 Peugeot 406 Coupe V6 versus 1986 Mercedes-Benz 560 SEC W126 is among the most fascinating. These two cars represent the best of their national engineering schools. The 1986 Mercedes-Benz 560 SEC W126 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 Peugeot 406 uses a V6 DOHC 24V displacing 2,946 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 7.0 seconds. The Peugeot 406 carries a weight advantage, tipping the scales 749 lbs lighter. Rarity plays a significant role here — with only 28,929 units built, the 1986 Mercedes-Benz 560 SEC W126 is considerably scarcer than the Peugeot 406's 107,610 examples. On the collector market, the 1986 Mercedes-Benz 560 SEC W126 commands a significant premium over the 1997 Peugeot 406 Coupe V6, reflecting differences in prestige and rarity.