Sinnis Street 50 vs Aprilia SR 50 Factory (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Sinnis Street 50stacks up against the Aprilia SR 50 Factory. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Sinnis Street 50 | Aprilia SR 50 Factory |
|---|---|---|
| Model year | 2021 | 2021 |
| Price | — | $3,170 |
| Engine | 49 cc | 49 cc |
| Horsepower | 4 hp | 4 hp |
| Torque | — | 4 Nm |
| Weight | 85 kg | 107 kg |
| Seat height | 31 mm | 31 mm |
| Fuel capacity | 1.6 L | 2.0 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc. 2 opposing pistons |
| Rear brakes | Expanding brake (drum brake) | Single disc. 2 opposing pistons |
| Tires | 3.50-10 / 3.50-10 | 130/60-13 / 130/60-13 |
Sinnis Street 50 vs Aprilia SR 50 Factory — which should you buy?
Picking between the Sinnis Street 50 and the Aprilia SR 50 Factory usually comes down to the numbers you care about most. On paper, the Sinnis Street 50 brings 4 hp in a 85 kg package, while the Aprilia SR 50 Factory counters with 4 hp at 107 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:

