Germany vs France — 1957 vs 1958
| 300 SL Roadster | HK500 | |
|---|---|---|
| Horsepower | 215 hp | 335 hp |
| Torque | 203 lb-ft | 400 lb-ft |
| Engine Size | 2,996 cc | 5,906 cc |
| 0-60 mph | 7.5 sec | 7.6 sec |
| Top Speed | 155 mph | 140 mph |
| ¼ Mile | 15.5 sec | 15.8 sec |
| Weight | 3,131 lbs | 3,704 lbs |
| Wheelbase | 2,400 mm | 2,640 mm |
| Length | 4,520 mm | 4,660 mm |
| Units Produced | 1,858 | 490 |
| Original MSRP | $11,000 | $10,500 |
| Value (Excellent) | $2,000,000 | $500,000 |
| Collectibility | 10/10 | 9/10 |
| Rarity | 9/10 | 9/10 |
Two outstanding machines, each with compelling strengths. The 1957 Mercedes-Benz 300 SL Roadster excels in quicker acceleration, higher top speed, lighter weight, while the 1958 Facel Vega HK500 stands out for more power, greater rarity, better value. The best advice? Drive both if you can, then follow your instincts.
Putting the 1957 Mercedes-Benz 300 SL Roadster against the 1958 Facel Vega HK500 is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus France. The 1958 Facel Vega HK500 holds a clear advantage in raw power with 335 hp compared to 215 hp, a 120-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 Facel Vega HK500 relies on a V8 OHV Chrysler with 5,906 cc. In the sprint to 60 mph, the 1957 Mercedes-Benz 300 SL Roadster edges ahead at 7.5 seconds versus 7.6 seconds. The Mercedes-Benz 300 SL Roadster carries a weight advantage, tipping the scales 573 lbs lighter. Rarity plays a significant role here — with only 490 units built, the 1958 Facel Vega HK500 is considerably scarcer than the Mercedes-Benz 300 SL Roadster's 1,858 examples. On the collector market, the 1957 Mercedes-Benz 300 SL Roadster commands a significant premium over the 1958 Facel Vega HK500, reflecting differences in prestige and rarity.