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