Beta BETA RR X-Pro 390 4-Stroke vs KTM Adventure 390 X (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Beta BETA RR X-Pro 390 4-Strokestacks up against the KTM Adventure 390 X. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Beta BETA RR X-Pro 390 4-Stroke | KTM Adventure 390 X |
|---|---|---|
| Model year | 2025 | 2026 |
| Price | — | $6,499 |
| Engine | 386 cc | 398 cc |
| Weight | — | 165 kg |
| Seat height | — | 825 mm |
| Fuel capacity | — | 14.0 L |
| Fuel type | petrol | petrol |
| Transmission | — | Manual, 6 speed, Chain |
| Front brakes | — | Hydraulic Disc |
| Rear brakes | — | Hydraulic Disc |
| Tires | Maxxis Enduro 21 / Maxxis Enduro 18 | 100/90 R19 / 130/80 R17 |
Beta BETA RR X-Pro 390 4-Stroke vs KTM Adventure 390 X — which should you buy?
Picking between the Beta BETA RR X-Pro 390 4-Stroke and the KTM Adventure 390 X usually comes down to the numbers you care about most. On paper, the Beta BETA RR X-Pro 390 4-Stroke brings its published horsepower, while the KTM Adventure 390 X counters with its own power figure at 165 kg.
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: