Aprilia Sonic 50 GP vs Yamaha Aerox Race Replica (2008)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia Sonic 50 GPstacks up against the Yamaha Aerox Race Replica. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia Sonic 50 GP | Yamaha Aerox Race Replica |
|---|---|---|
| Model year | 2008 | 2007 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | — | 3 hp |
| Torque | — | 4 Nm |
| Weight | 73 kg | 92 kg |
| Seat height | 30 mm | 33 mm |
| Fuel capacity | 2.1 L | — |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc. caliper with two opposing Ø 32 mm pistons | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Tires | 100/90-10 / 100/90-10 | 130/60-13 / 140/60-13 |
Aprilia Sonic 50 GP vs Yamaha Aerox Race Replica — which should you buy?
Picking between the Aprilia Sonic 50 GP and the Yamaha Aerox Race Replica usually comes down to the numbers you care about most. On paper, the Aprilia Sonic 50 GP brings its published horsepower in a 73 kg package, while the Yamaha Aerox Race Replica counters with 3 hp at 92 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:

