Ktm Sx 450 vs Suzuki Rm-z250
Side-by-side comparison for used motorcycle buyers
Ktm Sx 450 vs Suzuki Rm-z250. 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-z250: ~40 hp @ 13,000 rpm (Note: estimated; Suzuki does not officially publish power figures) hp, 104 kg (wet/curb weight, based on 2019-2023 models) weight, top speed ~120 km/h (Note: estimated real-world; not designed for top speed but for off-road performance), Motoryk rating 7.5/10.
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."
"A rewarding machine — if you buy one that's been loved."
Top 10 Accessories
Picks that work on either bike.









