France vs Germany — 1954 vs 1956
| HK500 | 300 SL Roadster | |
|---|---|---|
| Horsepower | 360 hp | 215 hp |
| Torque | 400 lb-ft | 203 lb-ft |
| Engine Size | 6,286 cc | 2,996 cc |
| 0-60 mph | 8.5 sec | 8.8 sec |
| Top Speed | 150 mph | 140 mph |
| ¼ Mile | 16.0 sec | 16.2 sec |
| Weight | 3,704 lbs | 3,130 lbs |
| Wheelbase | 2,660 mm | 2,400 mm |
| Length | 4,530 mm | 4,520 mm |
| Units Produced | 490 | 1,858 |
| Original MSRP | $10,000 | $10,970 |
| Value (Excellent) | $400,000 | $2,000,000 |
| Collectibility | 8/10 | 10/10 |
| Rarity | 9/10 | 9/10 |
The 1954 Facel Vega HK500 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1956 Mercedes-Benz 300 SL Roadster brings lighter weight, stronger collectibility and remains a compelling choice for enthusiasts who value Mercedes-Benz heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
When France engineering meets Germany craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1954 Facel Vega HK500 and 1956 Mercedes-Benz 300 SL Roadster embody their respective national automotive traditions while competing in the same arena. The 1954 Facel Vega HK500 holds a clear advantage in raw power with 360 hp compared to 215 hp, a 145-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Facel Vega HK500 uses a V8 OHV displacing 6,286 cc, while the Mercedes-Benz 300 SL relies on a Inline-6 SOHC with 2,996 cc. In the sprint to 60 mph, the 1954 Facel Vega HK500 edges ahead at 8.5 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 1954 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 1954 Facel Vega HK500, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1956 Mercedes-Benz 300 SL Roadster rates higher among enthusiasts and auction houses.