Ktm Sx-f 450 vs Suzuki Rmz450
Side-by-side comparison for used motorcycle buyers
Ktm Sx-f 450 vs Suzuki Rmz450. Ktm Sx-f 450: ~63 hp @ 9,000 rpm (estimated for recent 2022-2024 models; KTM does not officially publish dyno figures) hp, 101 kg (wet/curb weight — 2023 model) weight, top speed ~175 km/h (estimated; note: varies with gearing and terrain), Motoryk rating 8.5/10. Suzuki Rmz450: ~56 hp @ 9,000 rpm (estimate based on dyno testing of modern RM-Z450) hp, 111 kg (curb/wet weight — 2023 model) weight, top speed ~145 km/h (estimate; top speed is not a primary design focus for motocross bikes), Motoryk rating 7.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Individual Reviews
"A brilliant machine that demands respect, research, and deep pockets."
"Buy right and maintain it — ignore either and suffer."
Top 10 Accessories
Picks that work on either bike.









