Mercedes-Benz 300 SL Roadster

vs

Jaguar XK150

Germany vs UK — 1957 vs 1957

Mercedes-Benz 300 SL Roadster (1957)
Jaguar XK150 (1957)
Specifications
300 SL RoadsterXK150 S 3.8
Horsepower215 hp265 hp
Torque203 lb-ft260 lb-ft
Engine Size2,996 cc3,781 cc
0-60 mph7.5 sec7.3 sec
Top Speed155 mph133 mph
¼ Mile15.5 sec15.0 sec
Weight3,131 lbs3,050 lbs
Wheelbase2,400 mm2,591 mm
Length4,520 mm4,470 mm
Units Produced1,858888
Original MSRP$11,000$5,300
Value (Excellent)$2,000,000$400,000
Collectibility10/109/10
Rarity9/108/10
The Verdict

The 1957 Jaguar XK150 S 3.8 emerges ahead in most objective measures, offering more power, quicker acceleration, greater rarity. The 1957 Mercedes-Benz 300 SL Roadster counters with higher top speed, stronger collectibility, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.

Overview

Putting the 1957 Mercedes-Benz 300 SL Roadster against the 1957 Jaguar XK150 S 3.8 is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus UK. The 1957 Jaguar XK150 S 3.8 holds a clear advantage in raw power with 265 hp compared to 215 hp, a 50-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz 300 SL Roadster uses a Inline-6 SOHC displacing 2,996 cc, while the Jaguar XK150 relies on a Inline-6 DOHC with 3,781 cc. In the sprint to 60 mph, the 1957 Jaguar XK150 S 3.8 edges ahead at 7.3 seconds versus 7.5 seconds. On the collector market, the 1957 Mercedes-Benz 300 SL Roadster commands a significant premium over the 1957 Jaguar XK150 S 3.8, reflecting differences in prestige and rarity.