Aprilia Sonic 50 vs Beta Ark K (2008)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia Sonic 50stacks up against the Beta Ark K. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia Sonic 50 | Beta Ark K |
|---|---|---|
| Model year | 2008 | 2007 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Weight | 73 kg | — |
| Seat height | 30 mm | — |
| Fuel capacity | 2.1 L | 2.0 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | — |
| Front brakes | Single disc. caliper with two opposing Ø 32 mm pistons | — |
| Rear brakes | Expanding brake (drum brake) | — |
| Tires | 100/90-10 / 100/90-10 | 130/60-13 / 130/60-13 |
Aprilia Sonic 50 vs Beta Ark K — which should you buy?
Picking between the Aprilia Sonic 50 and the Beta Ark K 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 K 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: