Germany vs Germany — 1948 vs 1955
| 356 Speedster | 300 SL Gullwing | |
|---|---|---|
| Horsepower | 70 hp | 215 hp |
| Torque | 75 lb-ft | 203 lb-ft |
| Engine Size | 1,582 cc | 2,996 cc |
| 0-60 mph | 13.5 sec | 8.8 sec |
| Top Speed | 100 mph | 161 mph |
| ¼ Mile | 18.5 sec | 16.3 sec |
| Weight | 1,852 lbs | 2,855 lbs |
| Wheelbase | 2,100 mm | 2,400 mm |
| Length | 3,950 mm | 4,520 mm |
| Units Produced | 4,145 | 1,400 |
| Original MSRP | $2,995 | $6,820 |
| Value (Excellent) | $700,000 | $3,000,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 7/10 | 9/10 |
The 1955 Mercedes-Benz 300 SL Gullwing emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1948 Porsche 356 Speedster counters with lighter weight, better value, 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.
The 1948 Porsche 356 Speedster and 1955 Mercedes-Benz 300 SL Gullwing stand as two of the most notable Sports Car cars from Post-war. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 1955 Mercedes-Benz 300 SL Gullwing holds a clear advantage in raw power with 215 hp compared to 70 hp, a 145-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 356 uses a Flat-4 OHV air-cooled displacing 1,582 cc, while the Mercedes-Benz 300 SL relies on a Inline-6 SOHC with 2,996 cc. In the sprint to 60 mph, the 1955 Mercedes-Benz 300 SL Gullwing edges ahead at 8.8 seconds versus 13.5 seconds. The Porsche 356 carries a weight advantage, tipping the scales 1003 lbs lighter. On the collector market, the 1955 Mercedes-Benz 300 SL Gullwing commands a significant premium over the 1948 Porsche 356 Speedster, reflecting differences in prestige and rarity.