France vs Germany — 1958 vs 1956
| HK500 | 300 SL Roadster | |
|---|---|---|
| Horsepower | 335 hp | 215 hp |
| Torque | 400 lb-ft | 203 lb-ft |
| Engine Size | 5,906 cc | 2,996 cc |
| 0-60 mph | 7.6 sec | 8.8 sec |
| Top Speed | 140 mph | 140 mph |
| ¼ Mile | 15.8 sec | 16.2 sec |
| Weight | 3,704 lbs | 3,130 lbs |
| Wheelbase | 2,640 mm | 2,400 mm |
| Length | 4,660 mm | 4,520 mm |
| Units Produced | 490 | 1,858 |
| Original MSRP | $10,500 | $10,970 |
| Value (Excellent) | $500,000 | $2,000,000 |
| Collectibility | 9/10 | 10/10 |
| Rarity | 9/10 | 9/10 |
On balance, the 1958 Facel Vega HK500 makes a stronger case on paper with more power, quicker acceleration, greater rarity. However, the 1956 Mercedes-Benz 300 SL Roadster counters with lighter weight, stronger collectibility, and its appeal extends beyond mere numbers. Choose the 1958 Facel Vega HK500 for outright capability, or the 1956 Mercedes-Benz 300 SL Roadster for a more distinctive ownership experience.
The rivalry between France and Germany automotive industries has produced legendary matchups, and the 1958 Facel Vega HK500 versus 1956 Mercedes-Benz 300 SL Roadster is among the most fascinating. These two cars represent the best of their national engineering schools. 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 Facel Vega HK500 uses a V8 OHV Chrysler displacing 5,906 cc, while the Mercedes-Benz 300 SL relies on a Inline-6 SOHC with 2,996 cc. In the sprint to 60 mph, the 1958 Facel Vega HK500 edges ahead at 7.6 seconds versus 8.8 seconds. The Mercedes-Benz 300 SL carries a weight advantage, tipping the scales 574 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's 1,858 examples. On the collector market, the 1956 Mercedes-Benz 300 SL Roadster commands a significant premium over the 1958 Facel Vega HK500, reflecting differences in prestige and rarity.