Derbi Sonar 125 4T vs TGB Bull 125 RS (2012)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi Sonar 125 4Tstacks up against the TGB Bull 125 RS. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi Sonar 125 4T | TGB Bull 125 RS |
|---|---|---|
| Model year | 2012 | 2011 |
| Price | $2,099 | — |
| Engine | 124 cc | 124 cc |
| Horsepower | 11 hp | 9 hp |
| Torque | 10 Nm | — |
| Weight | 99 kg | 118 kg |
| Seat height | 32 mm | — |
| Fuel capacity | 1.6 L | 1.8 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 90/80-16 / 110/80-14 | 130/60-13 / 130/60-13 |
Derbi Sonar 125 4T vs TGB Bull 125 RS — which should you buy?
Picking between the Derbi Sonar 125 4T and the TGB Bull 125 RS usually comes down to the numbers you care about most. On paper, the Derbi Sonar 125 4T brings 11 hp in a 99 kg package, while the TGB Bull 125 RS counters with 9 hp at 118 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: