Aprilia SX 125 Base vs Aprilia RS 125 GP Replica (2025)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia SX 125 Basestacks up against the Aprilia RS 125 GP Replica. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia SX 125 Base | Aprilia RS 125 GP Replica |
|---|---|---|
| Model year | 2025 | 2023 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Horsepower | — | 15 hp |
| Torque | — | 11 Nm |
| Weight | 134 kg | — |
| Seat height | — | 32 mm |
| Fuel capacity | — | 3.8 L |
| Fuel type | petrol | petrol |
| Transmission | — | 6-speed |
| Front brakes | — | Single disc. ABS. Stainless steel disc with radial 4 piston calliper |
| Rear brakes | — | Single disc. ABS. Single 30 mm piston |
| Tires | 100/80 - 17 / 130/70 - 17 | 100/80-17 / 140/70-ZR17 |
Aprilia SX 125 Base vs Aprilia RS 125 GP Replica — which should you buy?
Picking between the Aprilia SX 125 Base and the Aprilia RS 125 GP Replica usually comes down to the numbers you care about most. On paper, the Aprilia SX 125 Base brings its published horsepower in a 134 kg package, while the Aprilia RS 125 GP Replica counters with 15 hp.
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: