Gasgas MC 125 vs KTM SX 125 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Gasgas MC 125stacks up against the KTM SX 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Gasgas MC 125 | KTM SX 125 |
|---|---|---|
| Model year | 2026 | 2026 |
| Price | $7,849 | $8,449 |
| Engine | 124 cc | 124 cc |
| Weight | 92 kg | 92 kg |
| Seat height | 956 mm | 958 mm |
| Fuel capacity | 7.0 L | 7.0 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 6 speed, Chain | Manual, 6 speed, Chain |
| Front brakes | Hydraulic Disc | Hydraulic Disc |
| Rear brakes | Hydraulic Disc | Hydraulic Disc |
| Tires | Maxxis® Maxx Cross MX-ST 80/100 - 21 / Maxxis® Maxx Cross MX-ST 100/90 - 19 | Dunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 100/90 R19 57M |
Gasgas MC 125 vs KTM SX 125 — which should you buy?
Picking between the Gasgas MC 125 and the KTM SX 125 usually comes down to the numbers you care about most. On paper, the Gasgas MC 125 brings its published horsepower in a 92 kg package, while the KTM SX 125 counters with its own power figure at 92 kg. On price, the Gasgas MC 125 has the lower MSRP.
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:

