Harley-Davidson Model S vs Beta Alp 4.0 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson Model Sstacks up against the Beta Alp 4.0. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Harley-Davidson Model S | Beta Alp 4.0 |
|---|---|---|
| Model year | 1932 | 2026 |
| Price | — | $6,490 |
| Engine | 345 cc | 348 cc |
| Weight | — | 139 kg |
| Seat height | — | 863 mm |
| Fuel capacity | — | 11.0 L |
| Fuel type | petrol | petrol |
| Transmission | — | Manual, 6 speed, Chain |
| Front brakes | — | Hydraulic Disc |
| Rear brakes | — | Hydraulic Disc |
| Tires | 2.5-28 / 2.5-28 | 21 Inch / 18 Inch |
Harley-Davidson Model S vs Beta Alp 4.0 — which should you buy?
Picking between the Harley-Davidson Model S and the Beta Alp 4.0 usually comes down to the numbers you care about most. On paper, the Harley-Davidson Model S brings its published horsepower, while the Beta Alp 4.0 counters with its own power figure at 139 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:

