Germany vs West Germany — 1958 vs 1956
| 1000 Sp Roadster | 507 Roadster | |
|---|---|---|
| Horsepower | 55 hp | 150 hp |
| Torque | 61 lb-ft | 172 lb-ft |
| Engine Size | 981 cc | 3,168 cc |
| 0-60 mph | 18.0 sec | 9.0 sec |
| Top Speed | 87 mph | 137 mph |
| ¼ Mile | 21.0 sec | 16.2 sec |
| Weight | 1,918 lbs | 2,932 lbs |
| Wheelbase | 2,450 mm | 2,480 mm |
| Length | 4,285 mm | 4,380 mm |
| Units Produced | 5,500 | 252 |
| Original MSRP | — | $9,000 |
| Value (Excellent) | $75,000 | $3,000,000 |
| Collectibility | 7/10 | 10/10 |
| Rarity | 8/10 | 10/10 |
The 1956 BMW 507 Roadster emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1958 Auto Union 1000 Sp Roadster 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.
Putting the 1958 Auto Union 1000 Sp Roadster against the 1956 BMW 507 Roadster is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus West Germany. The 1956 BMW 507 Roadster holds a clear advantage in raw power with 150 hp compared to 55 hp, a 95-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Auto Union 1000 uses a Inline-3 Two-Stroke displacing 981 cc, while the BMW 507 relies on a V8 OHV with 3,168 cc. In the sprint to 60 mph, the 1956 BMW 507 Roadster edges ahead at 9.0 seconds versus 18.0 seconds. The Auto Union 1000 carries a weight advantage, tipping the scales 1014 lbs lighter. Rarity plays a significant role here — with only 252 units built, the 1956 BMW 507 Roadster is considerably scarcer than the Auto Union 1000's 5,500 examples. On the collector market, the 1956 BMW 507 Roadster commands a significant premium over the 1958 Auto Union 1000 Sp Roadster, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1956 BMW 507 Roadster rates higher among enthusiasts and auction houses.