Sonik GPX 125 vs Derbi Terra 125 (2013)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Sonik GPX 125stacks up against the Derbi Terra 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Sonik GPX 125 | Derbi Terra 125 |
|---|---|---|
| Model year | 2013 | 2012 |
| Price | — | $3,802 |
| Engine | 124 cc | 124 cc |
| Horsepower | 11 hp | 15 hp |
| Torque | 9 Nm | — |
| Weight | 118 kg | 110 kg |
| Seat height | 31 mm | 31 mm |
| Fuel capacity | 4.0 L | 2.9 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 6-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 2.75-18 / 3.00-18 | 100/90-18 / 130/80-17 |
Sonik GPX 125 vs Derbi Terra 125 — which should you buy?
Picking between the Sonik GPX 125 and the Derbi Terra 125 usually comes down to the numbers you care about most. On paper, the Sonik GPX 125 brings 11 hp in a 118 kg package, while the Derbi Terra 125 counters with 15 hp at 110 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:

