Chang-Jiang BD 50QT-4 vs NSU Prima III K (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Chang-Jiang BD 50QT-4stacks up against the NSU Prima III K. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Chang-Jiang BD 50QT-4 | NSU Prima III K |
|---|---|---|
| Model year | 2007 | 1964 |
| Price | — | — |
| Engine | 139 cc | 146 cc |
| Horsepower | 3 hp | 8 hp |
| Weight | 80 kg | — |
| Fuel capacity | 1.1 L | 3.2 L |
| Fuel type | petrol | petrol |
| Front brakes | — | Expanding brake (drum brake) |
| Rear brakes | — | Expanding brake (drum brake) |
| Tires | 3.00-10 / 3.00-10 | 3.50-10 / 3.50-10 |
Chang-Jiang BD 50QT-4 vs NSU Prima III K — which should you buy?
Picking between the Chang-Jiang BD 50QT-4 and the NSU Prima III K usually comes down to the numbers you care about most. On paper, the Chang-Jiang BD 50QT-4 brings 3 hp in a 80 kg package, while the NSU Prima III K counters with 8 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:

