Kawasaki Kx 450 vs Ktm Sx 450
Side-by-side comparison for used motorcycle buyers
Kawasaki Kx 450 vs Ktm Sx 450. Kawasaki Kx 450: ~55 hp @ 9,000 rpm (estimated; Kawasaki does not officially publish power figures — note: dyno results typically range 53–58 hp) hp, 110 kg (curb weight, 2023 model) weight, top speed ~145 km/h (estimated; gearing and terrain dependent — note: best estimate, not manufacturer-specified), Motoryk rating 8.5/10. Ktm Sx 450: ~63 hp @ 9,500 rpm (estimated for modern 2020+ generation) hp, ~106 kg (wet/curb weight, varies slightly by model year) weight, top speed ~145 km/h (estimated; note: motocross bikes are not optimized for top speed, this is an approximate real-world figure), Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Individual Reviews
"A brilliant 450 that rewards experienced riders who buy smart."
"Extraordinary machine that ruthlessly punishes neglectful owners and rewards disciplined ones."
Top 10 Accessories
Picks that work on either bike.









