Docker Alpha S50 vs Piaggio Liberty 50 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Docker Alpha S50stacks up against the Piaggio Liberty 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Docker Alpha S50 | Piaggio Liberty 50 |
|---|---|---|
| Model year | 2023 | 2026 |
| Price | — | $2,699 |
| Engine | 48 cc | 49 cc |
| Horsepower | 3 hp | — |
| Seat height | — | 780 mm |
| Fuel capacity | 1.0 L | 6.0 L |
| Fuel type | petrol | petrol |
| Transmission | 4-speed | Continuously Variable (CVT) |
| Front brakes | Expanding brake (drum brake) | Hydraulic Disc |
| Rear brakes | Expanding brake (drum brake) | Drum |
| Tires | 2.50-17 / 2.75-17 | 90/80 R16 51J / 100/80 R14 54J |
Docker Alpha S50 vs Piaggio Liberty 50 — which should you buy?
Picking between the Docker Alpha S50 and the Piaggio Liberty 50 usually comes down to the numbers you care about most. On paper, the Docker Alpha S50 brings 3 hp, while the Piaggio Liberty 50 counters with its own power figure.
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: