NSU Rennmax vs KTM Duke 250 (2025)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the NSU Rennmaxstacks up against the KTM Duke 250. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | NSU Rennmax | KTM Duke 250 |
|---|---|---|
| Model year | 1953 | 2025 |
| Price | — | — |
| Engine | 248 cc | 249 cc |
| Horsepower | 39 hp | — |
| Fuel type | petrol | petrol |
| Front brakes | Expanding brake (drum brake) | — |
| Rear brakes | Expanding brake (drum brake) | — |
NSU Rennmax vs KTM Duke 250 — which should you buy?
Picking between the NSU Rennmax and the KTM Duke 250 usually comes down to the numbers you care about most. On paper, the NSU Rennmax brings 39 hp, while the KTM Duke 250 counters with its own power figure.
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: