KTM SX 450 F Factory Edition 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 F Factory Editionstacks up against the TM Racing MX 450 Fi 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM SX 450 F Factory EditionTM Racing MX 450 Fi 4T
Model year20262024
Price$13,699
Engine449 cc449 cc
Weight106 kg108 kg
Seat height958 mm0 mm
Fuel capacity7.0 L2.0 L
Fuel typepetrolpetrol
TransmissionManual, 5 speed, Chain5-speed
Front brakesHydraulic DiscSingle disc. Brembo
Rear brakesHydraulic DiscSingle disc. Nissin
TiresDunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 120/80 R19 62M80/100-21 / 110/90-19

KTM SX 450 F Factory Edition vs TM Racing MX 450 Fi 4T — which should you buy?

Picking between the KTM SX 450 F Factory Edition 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 Factory Edition brings its published horsepower in a 106 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: