KTM 125 SX vs Gasgas MC 125 (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM 125 SXstacks up against the Gasgas MC 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM 125 SXGasgas MC 125
Model year20242026
Price$7,849
Engine125 cc124 cc
Weight92 kg92 kg
Seat height38 mm956 mm
Fuel capacity1.9 L7.0 L
Fuel typepetrolpetrol
Transmission6-speedManual, 6 speed, Chain
Front brakesSingle discHydraulic Disc
Rear brakesSingle discHydraulic Disc
Tires1.6-21 / 2.15-19 Maxxis® Maxx Cross MX-ST 80/100 - 21 / Maxxis® Maxx Cross MX-ST 100/90 - 19

KTM 125 SX vs Gasgas MC 125 — which should you buy?

Picking between the KTM 125 SX and the Gasgas MC 125 usually comes down to the numbers you care about most. On paper, the KTM 125 SX brings its published horsepower in a 92 kg package, while the Gasgas MC 125 counters with its own power figure at 92 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: