Aprilia RS4 125 Replica vs UM Scrambler Sport (2018)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia RS4 125 Replicastacks up against the UM Scrambler Sport. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecAprilia RS4 125 ReplicaUM Scrambler Sport
Model year20182018
Price
Engine125 cc125 cc
Horsepower15 hp10 hp
Torque11 Nm9 Nm
Weight130 kg
Seat height32 mm31 mm
Fuel capacity3.8 L2.8 L
Fuel typepetrolpetrol
Transmission6-speed5-speed
Front brakesSingle disc. Stainless steel disc with radial 4 piston calliperSingle disc. Hydraulic.
Rear brakesSingle disc. Single 30 mm pistonSingle disc. Hydraulic.
Tires110/80-R17 / 130/70-R17 100/90-18 / 130/80-17

Aprilia RS4 125 Replica vs UM Scrambler Sport — which should you buy?

Picking between the Aprilia RS4 125 Replica and the UM Scrambler Sport usually comes down to the numbers you care about most. On paper, the Aprilia RS4 125 Replica brings 15 hp, while the UM Scrambler Sport counters with 10 hp at 130 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: