Sonik GPX 125 vs Derbi Terra 125 (2013)

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

Spec comparison

SpecSonik GPX 125Derbi Terra 125
Model year20132012
Price$3,802
Engine124 cc124 cc
Horsepower11 hp15 hp
Torque9 Nm
Weight118 kg110 kg
Seat height31 mm31 mm
Fuel capacity4.0 L2.9 L
Fuel typepetrolpetrol
Transmission5-speed6-speed
Front brakesSingle discSingle disc
Rear brakesExpanding brake (drum brake)Single disc
Tires2.75-18 / 3.00-18 100/90-18 / 130/80-17

Sonik GPX 125 vs Derbi Terra 125 — which should you buy?

Picking between the Sonik GPX 125 and the Derbi Terra 125 usually comes down to the numbers you care about most. On paper, the Sonik GPX 125 brings 11 hp in a 118 kg package, while the Derbi Terra 125 counters with 15 hp at 110 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: