KSR Sirion 50 4T vs Derbi Variant Sport 50 2T (2017)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KSR Sirion 50 4Tstacks up against the Derbi Variant Sport 50 2T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKSR Sirion 50 4TDerbi Variant Sport 50 2T
Model year20172017
Price$1,829
Engine49 cc49 cc
Horsepower4 hp
Weight92 kg
Seat height31 mm
Fuel capacity1.3 L1.9 L
Fuel typepetrolpetrol
TransmissionAutomaticAutomatic
Front brakesSingle discSingle disc
Rear brakesExpanding brake (drum brake)Expanding brake (drum brake)
Tires120/70-14 / 120/70-14

KSR Sirion 50 4T vs Derbi Variant Sport 50 2T — which should you buy?

Picking between the KSR Sirion 50 4T and the Derbi Variant Sport 50 2T usually comes down to the numbers you care about most. On paper, the KSR Sirion 50 4T brings 4 hp in a 92 kg package, while the Derbi Variant Sport 50 2T counters with its own power figure.

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: