KTM 380 SX vs Beta RR X-Pro 390 4-Stroke (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM 380 SXstacks up against the Beta RR X-Pro 390 4-Stroke. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM 380 SX | Beta RR X-Pro 390 4-Stroke |
|---|---|---|
| Model year | 2000 | 2026 |
| Price | — | $2,026 |
| Engine | 368 cc | 385 cc |
| Weight | 101 kg | 107 kg |
| Seat height | — | 934 mm |
| Fuel capacity | 2.0 L | 9.0 L |
| Fuel type | petrol | petrol |
| Transmission | — | Manual, 6 speed, Chain |
| Front brakes | Single disc | Hydraulic Disc |
| Rear brakes | Single disc | Hydraulic Disc |
| Tires | — | Maxxis Enduro 21 / Maxxis Enduro 18 |
KTM 380 SX vs Beta RR X-Pro 390 4-Stroke — which should you buy?
Picking between the KTM 380 SX and the Beta RR X-Pro 390 4-Stroke usually comes down to the numbers you care about most. On paper, the KTM 380 SX brings its published horsepower in a 101 kg package, while the Beta RR X-Pro 390 4-Stroke counters with its own power figure at 107 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:

