Mercedes-Benz SL

vs

Mercedes-Benz 540K

Germany vs Germany — 1990 vs 1936

Mercedes-Benz SL (1990)
Mercedes-Benz 540K (1936)
Specifications
SL 500SL (R129)540K Spezial Roadster
Horsepower322 hp180 hp
Torque354 lb-ft317 lb-ft
Engine Size4,973 cc5,401 cc
0-60 mph6.2 sec16.0 sec
Top Speed155 mph106 mph
¼ Mile14.5 sec21.0 sec
Weight3,990 lbs
Wheelbase2,515 mm3,290 mm
Length4,470 mm5,540 mm
Units Produced85,00025
Original MSRP$82,500
Value (Excellent)$50,000$15,000,000
Collectibility6/105/10
Rarity3/1010/10
The Verdict

The 1990 Mercedes-Benz SL 500SL (R129) holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1936 Mercedes-Benz 540K Spezial Roadster brings greater rarity and remains a compelling choice for enthusiasts who value Mercedes-Benz heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

The 1990 Mercedes-Benz SL 500SL (R129) and 1936 Mercedes-Benz 540K Spezial Roadster share a manufacturer in Mercedes-Benz, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Mercedes-Benz brand. The 1990 Mercedes-Benz SL 500SL (R129) holds a clear advantage in raw power with 322 hp compared to 180 hp, a 142-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 Mercedes-Benz 540K relies on a Inline-8 OHV Supercharged with 5,401 cc. In the sprint to 60 mph, the 1990 Mercedes-Benz SL 500SL (R129) edges ahead at 6.2 seconds versus 16.0 seconds. Rarity plays a significant role here — with only 25 units built, the 1936 Mercedes-Benz 540K Spezial Roadster is considerably scarcer than the Mercedes-Benz SL's 85,000 examples. On the collector market, the 1936 Mercedes-Benz 540K Spezial Roadster commands a significant premium over the 1990 Mercedes-Benz SL 500SL (R129), reflecting differences in prestige and rarity.