Zundapp Janus

vs

Autobianchi Bianchina Transformabile

Germany vs Italy — 1957 vs 1959

Zundapp Janus (1957)
Autobianchi Bianchina Transformabile (1959)
Specifications
Janus 250Bianchina Transformabile
Horsepower14 hp18 hp
Torque15 lb-ft24 lb-ft
Engine Size245 cc499 cc
0-60 mph42.0 sec
Top Speed50 mph59 mph
Weight849 lbs1,036 lbs
Wheelbase1,800 mm1,840 mm
Length2,845 mm2,970 mm
Units Produced6,902
Value (Excellent)$60,000$45,000
Collectibility8/106/10
Rarity8/106/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1957 Zundapp Janus 250 excels in lighter weight, stronger collectibility, while the 1959 Autobianchi Bianchina Transformabile stands out for more power, higher top speed. The best advice? Drive both if you can, then follow your instincts.

Overview

Putting the 1957 Zundapp Janus 250 against the 1959 Autobianchi Bianchina Transformabile is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus Italy. On paper, the two are remarkably close in power output, with the 1957 Zundapp Janus 250 producing 14 hp and the 1959 Autobianchi Bianchina Transformabile delivering 18 hp. Under the hood, the contrast is notable: the Zundapp Janus uses a Single-cylinder 2-stroke displacing 245 cc, while the Autobianchi Bianchina Transformabile relies on a Inline-2 OHV with 499 cc. The 1959 Autobianchi Bianchina Transformabile claims a higher top speed at 59 mph compared to 50 mph. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1957 Zundapp Janus 250 rates higher among enthusiasts and auction houses.