Derbi Sonar 50 2T vs Sachs SpeedJet RS 50 (2012)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi Sonar 50 2Tstacks up against the Sachs SpeedJet RS 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi Sonar 50 2T | Sachs SpeedJet RS 50 |
|---|---|---|
| Model year | 2012 | 2012 |
| Price | $1,850 | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 5 hp | 3 hp |
| Torque | 5 Nm | — |
| Weight | 95 kg | 90 kg |
| Seat height | 31 mm | 32 mm |
| Fuel capacity | 1.6 L | 1.6 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 90/80-16 / 110/80-14 | 120/70-12 / 120/70-12 |
Derbi Sonar 50 2T vs Sachs SpeedJet RS 50 — which should you buy?
Picking between the Derbi Sonar 50 2T and the Sachs SpeedJet RS 50 usually comes down to the numbers you care about most. On paper, the Derbi Sonar 50 2T brings 5 hp in a 95 kg package, while the Sachs SpeedJet RS 50 counters with 3 hp at 90 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: