Simson S51 B1-4 vs Zweirad-Union 159 TS (1980)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Simson S51 B1-4stacks up against the Zweirad-Union 159 TS. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Simson S51 B1-4 | Zweirad-Union 159 TS |
|---|---|---|
| Model year | 1980 | 1968 |
| Price | $1,500 | — |
| Engine | 50 cc | 49 cc |
| Horsepower | 4 hp | 5 hp |
| Weight | 79 kg | — |
| Fuel capacity | 2.3 L | — |
| Fuel type | petrol | petrol |
| Transmission | 4-speed | — |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | — | 2.75-21 / 2.75-21 |
Simson S51 B1-4 vs Zweirad-Union 159 TS — which should you buy?
Picking between the Simson S51 B1-4 and the Zweirad-Union 159 TS usually comes down to the numbers you care about most. On paper, the Simson S51 B1-4 brings 4 hp in a 79 kg package, while the Zweirad-Union 159 TS counters with 5 hp.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: