KTM SX 450 F vs TM Racing MX 450 Fi 4T (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 450 Fstacks up against the TM Racing MX 450 Fi 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM SX 450 F | TM Racing MX 450 Fi 4T |
|---|---|---|
| Model year | 2026 | 2024 |
| Price | $11,649 | — |
| Engine | 449 cc | 449 cc |
| Weight | 102 kg | 108 kg |
| Seat height | 958 mm | 0 mm |
| Fuel capacity | 7.0 L | 2.0 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 5 speed, Chain | 5-speed |
| Front brakes | Hydraulic Disc | Single disc. Brembo |
| Rear brakes | Hydraulic Disc | Single disc. Nissin |
| Tires | Dunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 110/90 R19 62M | 80/100-21 / 110/90-19 |
KTM SX 450 F vs TM Racing MX 450 Fi 4T — which should you buy?
Picking between the KTM SX 450 F and the TM Racing MX 450 Fi 4T usually comes down to the numbers you care about most. On paper, the KTM SX 450 F brings its published horsepower in a 102 kg package, while the TM Racing MX 450 Fi 4T counters with its own power figure at 108 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: