Ktm Sx 450 vs Suzuki Rm-z 450
Side-by-side comparison for used motorcycle buyers
Ktm Sx 450 vs Suzuki Rm-z 450. 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. Suzuki Rm-z 450: ~56 hp @ 9,500 rpm (estimated for modern 2018+ spec) hp, 110 kg (wet/curb weight) weight, top speed ~145 km/h (estimated; dependent on gearing and terrain), Motoryk rating 7.8/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Individual Reviews
"Extraordinary machine that ruthlessly punishes neglectful owners and rewards disciplined ones."
"Fast, rewarding, but only buy one with full service history."
Top 10 Accessories
Picks that work on either bike.









