UK vs Germany — 1957 vs 1955
| TR3A | 300 SL Gullwing | |
|---|---|---|
| Horsepower | 100 hp | 215 hp |
| Torque | 122 lb-ft | 203 lb-ft |
| Engine Size | 1,991 cc | 2,996 cc |
| 0-60 mph | 10.8 sec | 8.8 sec |
| Top Speed | 105 mph | 161 mph |
| ¼ Mile | 17.7 sec | 16.3 sec |
| Weight | 2,100 lbs | 2,855 lbs |
| Wheelbase | 2,235 mm | 2,400 mm |
| Length | 3,835 mm | 4,520 mm |
| Units Produced | 58,236 | 1,400 |
| Original MSRP | $2,625 | $6,820 |
| Value (Excellent) | $65,000 | $3,000,000 |
| Collectibility | 7/10 | 10/10 |
| Rarity | 4/10 | 9/10 |
The 1955 Mercedes-Benz 300 SL Gullwing emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1957 Triumph TR3A 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.
When UK engineering meets Germany craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1957 Triumph TR3A and 1955 Mercedes-Benz 300 SL Gullwing embody their respective national automotive traditions while competing in the same arena. The 1955 Mercedes-Benz 300 SL Gullwing holds a clear advantage in raw power with 215 hp compared to 100 hp, a 115-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Triumph TR3A uses a Inline-4 OHV 8V displacing 1,991 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 10.8 seconds. The Triumph TR3A carries a weight advantage, tipping the scales 755 lbs lighter. Rarity plays a significant role here — with only 1,400 units built, the 1955 Mercedes-Benz 300 SL Gullwing is considerably scarcer than the Triumph TR3A's 58,236 examples. On the collector market, the 1955 Mercedes-Benz 300 SL Gullwing commands a significant premium over the 1957 Triumph TR3A, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1955 Mercedes-Benz 300 SL Gullwing rates higher among enthusiasts and auction houses.