KTM Adventure 390 X vs Suzuki GSX 400 F Katana (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM Adventure 390 Xstacks up against the Suzuki GSX 400 F Katana. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM Adventure 390 XSuzuki GSX 400 F Katana
Model year20261983
Price$6,499
Engine398 cc399 cc
Horsepower42 hp
Weight165 kg
Seat height825 mm
Fuel capacity14.0 L4.0 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, Chain6-speed
Front brakesHydraulic DiscDual disc
Rear brakesHydraulic DiscSingle disc
Tires100/90 R19 / 130/80 R173.25-19 / 110/90-18

KTM Adventure 390 X vs Suzuki GSX 400 F Katana — which should you buy?

Picking between the KTM Adventure 390 X and the Suzuki GSX 400 F Katana usually comes down to the numbers you care about most. On paper, the KTM Adventure 390 X brings its published horsepower in a 165 kg package, while the Suzuki GSX 400 F Katana counters with 42 hp.

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: