Aprilia SR 50 R Replica SBK vs Derbi Sonar 50 2T (2013)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia SR 50 R Replica SBKstacks up against the Derbi Sonar 50 2T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia SR 50 R Replica SBK | Derbi Sonar 50 2T |
|---|---|---|
| Model year | 2013 | 2012 |
| Price | — | $1,850 |
| Engine | 49 cc | 49 cc |
| Horsepower | — | 5 hp |
| Torque | — | 5 Nm |
| Weight | — | 95 kg |
| Seat height | 32 mm | 31 mm |
| Fuel capacity | 1.9 L | 1.6 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc. Stainless steel disc; racing caliper with twin opposed 32 mm pistons. | Single disc |
| Rear brakes | Single disc. Stainless steel disc; racing caliper with twin opposed 30 mm pistons. | Expanding brake (drum brake) |
| Tires | 130/60-13 / 130/60-13 | 90/80-16 / 110/80-14 |
Aprilia SR 50 R Replica SBK vs Derbi Sonar 50 2T — which should you buy?
Picking between the Aprilia SR 50 R Replica SBK and the Derbi Sonar 50 2T usually comes down to the numbers you care about most. On paper, the Aprilia SR 50 R Replica SBK brings its published horsepower, 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: