KTM 390 Duke vs Senke SK400-K Alien Monster (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM 390 Dukestacks up against the Senke SK400-K Alien Monster. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM 390 Duke | Senke SK400-K Alien Monster |
|---|---|---|
| Model year | 2026 | 2022 |
| Price | $5,999 | — |
| Engine | 373 cc | 378 cc |
| Horsepower | 44 hp | 38 hp |
| Torque | 37 Nm | 35 Nm |
| Weight | 150 kg | — |
| Seat height | 830 mm | 32 mm |
| Fuel capacity | 13.4 L | 4.2 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed manual | 5-speed |
| Front brakes | Single 320mm disc | Single disc. ABS |
| Rear brakes | Single 230mm disc | Single disc. ABS |
| Tires | 110/70-17 front, 150/60-17 rear | 110/70-17 / 150/55-17 |
KTM 390 Duke vs Senke SK400-K Alien Monster — which should you buy?
Picking between the KTM 390 Duke and the Senke SK400-K Alien Monster usually comes down to the numbers you care about most. On paper, the KTM 390 Duke brings 44 hp in a 150 kg package, while the Senke SK400-K Alien Monster counters with 38 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: