Derbi Sonar 125 4T vs Gilera Runner ST 125 (2012)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi Sonar 125 4Tstacks up against the Gilera Runner ST 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi Sonar 125 4T | Gilera Runner ST 125 |
|---|---|---|
| Model year | 2012 | 2012 |
| Price | $2,099 | — |
| Engine | 124 cc | 124 cc |
| Horsepower | 11 hp | 15 hp |
| Torque | 10 Nm | 12 Nm |
| Weight | 99 kg | — |
| Seat height | 32 mm | 32 mm |
| Fuel capacity | 1.6 L | 2.3 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc. Stainless steel floating disc with dual piston calliper |
| Rear brakes | Expanding brake (drum brake) | Single disc. Stainless steel disc, calliper with two opposed pistons |
| Tires | 90/80-16 / 110/80-14 | 120/70-14 / 140/60-13 |
Derbi Sonar 125 4T vs Gilera Runner ST 125 — which should you buy?
Picking between the Derbi Sonar 125 4T and the Gilera Runner ST 125 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 Gilera Runner ST 125 counters with 15 hp.
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: