Compare Motorcycles
Suzuki Rmz450
Ktm Sx 450
Type
Motocross
Motocross
Horsepower
~56 hp @ 9,000 rpm (estimate based on dyno testing of modern RM-Z450)
~63 hp @ 9,500 rpm (estimated for modern 2020+ generation)
Torque
~52 Nm @ 7,500 rpm (estimate)
~54 Nm @ 7,000 rpm (estimated for modern 2020+ generation)
Top Speed
~145 km/h (estimate; top speed is not a primary design focus for motocross bikes)
~145 km/h (estimated; note: motocross bikes are not optimized for top speed, this is an approximate real-world figure)
Weight
111 kg (curb/wet weight — 2023 model)
~106 kg (wet/curb weight, varies slightly by model year)
Fuel
~6.5 L/100km (estimate; varies greatly with riding intensity — motocross use is highly variable)
~7–9 L/100km (estimated; highly variable depending on riding intensity — note: motocross bikes are not typically measured by fuel economy)
Fairing
No
No