Aprilia Sonic 50 vs Beta ARK LC RR (2008)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia Sonic 50stacks up against the Beta ARK LC RR. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia Sonic 50 | Beta ARK LC RR |
|---|---|---|
| Model year | 2008 | 2008 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Weight | 73 kg | 88 kg |
| Seat height | 30 mm | — |
| Fuel capacity | 2.1 L | 2.0 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 / 130/60-13 |
Aprilia Sonic 50 vs Beta ARK LC RR — which should you buy?
Picking between the Aprilia Sonic 50 and the Beta ARK LC RR usually comes down to the numbers you care about most. On paper, the Aprilia Sonic 50 brings its published horsepower in a 73 kg package, while the Beta ARK LC RR counters with its own power figure at 88 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:

