Porsche 356

vs

BMW 507

Germany vs West Germany — 1948 vs 1956

Porsche 356 (1948)
BMW 507 (1956)
Specifications
356 Speedster507 Roadster
Horsepower70 hp150 hp
Torque75 lb-ft172 lb-ft
Engine Size1,582 cc3,168 cc
0-60 mph13.5 sec9.0 sec
Top Speed100 mph137 mph
¼ Mile18.5 sec16.2 sec
Weight1,852 lbs2,932 lbs
Wheelbase2,100 mm2,480 mm
Length3,950 mm4,380 mm
Units Produced4,145252
Original MSRP$2,995$9,000
Value (Excellent)$700,000$3,000,000
Collectibility10/1010/10
Rarity7/1010/10
The Verdict

The 1956 BMW 507 Roadster emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1948 Porsche 356 Speedster 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.

Overview

When Germany engineering meets West Germany craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1948 Porsche 356 Speedster and 1956 BMW 507 Roadster embody their respective national automotive traditions while competing in the same arena. The 1956 BMW 507 Roadster holds a clear advantage in raw power with 150 hp compared to 70 hp, a 80-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 356 uses a Flat-4 OHV air-cooled displacing 1,582 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 13.5 seconds. The Porsche 356 carries a weight advantage, tipping the scales 1080 lbs lighter. Rarity plays a significant role here — with only 252 units built, the 1956 BMW 507 Roadster is considerably scarcer than the Porsche 356's 4,145 examples. On the collector market, the 1956 BMW 507 Roadster commands a significant premium over the 1948 Porsche 356 Speedster, reflecting differences in prestige and rarity.