Derbi Sonar 50 2T vs Aprilia SR 50 R Street (2012)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi Sonar 50 2Tstacks up against the Aprilia SR 50 R Street. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi Sonar 50 2T | Aprilia SR 50 R Street |
|---|---|---|
| Model year | 2012 | 2012 |
| Price | $1,850 | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 5 hp | — |
| Torque | 5 Nm | — |
| Weight | 95 kg | — |
| Seat height | 31 mm | 32 mm |
| Fuel capacity | 1.6 L | 1.7 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 50 2T vs Aprilia SR 50 R Street — which should you buy?
Picking between the Derbi Sonar 50 2T and the Aprilia SR 50 R Street 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 Aprilia SR 50 R Street counters with its own power figure.
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: