Beta Alp X vs Beta Alp 4.0 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Beta Alp Xstacks up against the Beta Alp 4.0. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Beta Alp X | Beta Alp 4.0 |
|---|---|---|
| Model year | 2026 | 2026 |
| Price | $6,490 | $6,490 |
| Engine | 348 cc | 348 cc |
| Weight | 142 kg | 139 kg |
| Seat height | 853 mm | 863 mm |
| Fuel capacity | 11.0 L | 11.0 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 6 speed, Chain | Manual, 6 speed, Chain |
| Front brakes | Hydraulic Disc | Hydraulic Disc |
| Rear brakes | Hydraulic Disc | Hydraulic Disc |
| Tires | 19 Inch / 17 Inch | 21 Inch / 18 Inch |
Beta Alp X vs Beta Alp 4.0 — which should you buy?
Picking between the Beta Alp X and the Beta Alp 4.0 usually comes down to the numbers you care about most. On paper, the Beta Alp X brings its published horsepower in a 142 kg package, while the Beta Alp 4.0 counters with its own power figure at 139 kg. On price, the Beta Alp 4.0 has the lower MSRP.
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: