CPI Formula R vs Aprilia Sonic 50 GP (2008)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the CPI Formula Rstacks up against the Aprilia Sonic 50 GP. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | CPI Formula R | Aprilia Sonic 50 GP |
|---|---|---|
| Model year | 2008 | 2008 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 3 hp | — |
| Weight | — | 73 kg |
| Seat height | — | 30 mm |
| Fuel capacity | 1.4 L | 2.1 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc. caliper with two opposing Ø 32 mm pistons |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 120/70-12 / 130/70-12 | 100/90-10 / 100/90-10 |
CPI Formula R vs Aprilia Sonic 50 GP — which should you buy?
Picking between the CPI Formula R and the Aprilia Sonic 50 GP usually comes down to the numbers you care about most. On paper, the CPI Formula R brings 3 hp, while the Aprilia Sonic 50 GP counters with its own power figure at 73 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: