Aprilia RS4 125 vs Rieju RS3 125 (2018)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia RS4 125stacks up against the Rieju RS3 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecAprilia RS4 125Rieju RS3 125
Model year20182017
Price
Engine125 cc125 cc
Horsepower15 hp
Torque11 Nm
Weight128 kg
Seat height32 mm33 mm
Fuel capacity3.8 L3.2 L
Fuel typepetrolpetrol
Transmission6-speed5-speed
Front brakesSingle disc. Stainless steel disc with radial 4 piston calliperSingle disc. Double piston caliper
Rear brakesSingle disc. Single 30 mm pistonSingle disc
Tires110/80-17 / 130/70-17 100/80-17 / 130/80-17

Aprilia RS4 125 vs Rieju RS3 125 — which should you buy?

Picking between the Aprilia RS4 125 and the Rieju RS3 125 usually comes down to the numbers you care about most. On paper, the Aprilia RS4 125 brings 15 hp, while the Rieju RS3 125 counters with its own power figure at 128 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: