Germany vs United Kingdom — 1957 vs 1955
| 300 SL Roadster (W198 II) | 405 | |
|---|---|---|
| Horsepower | 215 hp | 105 hp |
| Torque | 203 lb-ft | 122 lb-ft |
| Engine Size | 2,996 cc | 1,971 cc |
| 0-60 mph | 7.0 sec | 14.5 sec |
| Top Speed | 155 mph | 105 mph |
| ¼ Mile | 15.2 sec | — |
| Weight | 3,131 lbs | — |
| Wheelbase | 2,400 mm | 2,896 mm |
| Length | 4,570 mm | 4,750 mm |
| Units Produced | 1,858 | — |
| Original MSRP | $10,950 | — |
| Value (Excellent) | $2,200,000 | — |
| Collectibility | 10/10 | 5/10 |
| Rarity | 8/10 | 9/10 |
The 1957 Mercedes-Benz 300 SL Roadster (W198 II) holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1955 Bristol 405 brings its own distinct appeal and remains a compelling choice for enthusiasts who value Bristol heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Putting the 1957 Mercedes-Benz 300 SL Roadster (W198 II) against the 1955 Bristol 405 is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus United Kingdom. The 1957 Mercedes-Benz 300 SL Roadster (W198 II) holds a clear advantage in raw power with 215 hp compared to 105 hp, a 110-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz 300 SL uses a Inline-6 SOHC displacing 2,996 cc, while the Bristol 405 relies on a Inline-6 OHV Bristol with 1,971 cc. In the sprint to 60 mph, the 1957 Mercedes-Benz 300 SL Roadster (W198 II) edges ahead at 7.0 seconds versus 14.5 seconds. From a collectibility standpoint, the 1957 Mercedes-Benz 300 SL Roadster (W198 II) rates higher among enthusiasts and auction houses.