Aprilia Sonic 50 GP vs Adly Thunder Bike 50 (2008)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia Sonic 50 GPstacks up against the Adly Thunder Bike 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia Sonic 50 GP | Adly Thunder Bike 50 |
|---|---|---|
| Model year | 2008 | 2008 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | — | 4 hp |
| Torque | — | 1 Nm |
| Weight | 73 kg | 77 kg |
| Seat height | 30 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 | Double disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 100/90-10 / 100/90-10 | 120/70-12 / 120/70-12 |
Aprilia Sonic 50 GP vs Adly Thunder Bike 50 — which should you buy?
Picking between the Aprilia Sonic 50 GP and the Adly Thunder Bike 50 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 Adly Thunder Bike 50 counters with 4 hp at 77 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: