Sonik Siena vs Tauris Firefly 50 2T (2014)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Sonik Sienastacks up against the Tauris Firefly 50 2T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Sonik Siena | Tauris Firefly 50 2T |
|---|---|---|
| Model year | 2014 | 2014 |
| Price | — | $1,499 |
| Engine | 50 cc | 50 cc |
| Horsepower | 3 hp | 4 hp |
| Weight | 75 kg | 97 kg |
| Seat height | 32 mm | 31 mm |
| Fuel capacity | 1.2 L | 1.5 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc. Hydraulic. | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 3.50-10 / 3.50-10 | 130/70-13 / 130/60-13 |
Sonik Siena vs Tauris Firefly 50 2T — which should you buy?
Picking between the Sonik Siena and the Tauris Firefly 50 2T usually comes down to the numbers you care about most. On paper, the Sonik Siena brings 3 hp in a 75 kg package, while the Tauris Firefly 50 2T counters with 4 hp at 97 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: