UM Scrambler Sport vs Aprilia RS4 125 (2018)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the UM Scrambler Sportstacks up against the Aprilia RS4 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | UM Scrambler Sport | Aprilia RS4 125 |
|---|---|---|
| Model year | 2018 | 2018 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 10 hp | 15 hp |
| Torque | 9 Nm | 11 Nm |
| Weight | 130 kg | — |
| Seat height | 31 mm | 32 mm |
| Fuel capacity | 2.8 L | 3.8 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 6-speed |
| Front brakes | Single disc. Hydraulic. | Single disc. Stainless steel disc with radial 4 piston calliper |
| Rear brakes | Single disc. Hydraulic. | Single disc. Single 30 mm piston |
| Tires | 100/90-18 / 130/80-17 | 110/80-17 / 130/70-17 |
UM Scrambler Sport vs Aprilia RS4 125 — which should you buy?
Picking between the UM Scrambler Sport and the Aprilia RS4 125 usually comes down to the numbers you care about most. On paper, the UM Scrambler Sport brings 10 hp in a 130 kg package, while the Aprilia RS4 125 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:

