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All Bikes/Compare/Suzuki Rm-z 450 vs Suzuki Rm-z250

Suzuki Rm-z 450 vs Suzuki Rm-z250

Side-by-side comparison for used motorcycle buyers

Suzuki Rm-z 450 vs Suzuki Rm-z250. 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. 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

Suzuki Rm-z 450 Suzuki Rm-z250
Horsepower (hp)
56 hp
40 hp
Torque (Nm)
51 Nm
26 Nm
Top Speed (km/h)
145 km/h
120 km/h
Weight (kg) — lower is better
110 kg
104 kg
Type
Motocross
Motocross
Horsepower
~56 hp @ 9,500 rpm (estimated for modern 2018+ spec)
~40 hp @ 13,000 rpm (Note: estimated; Suzuki does not officially publish power figures)
Torque
~51 Nm @ 7,500 rpm (estimated)
~26 Nm @ 11,500 rpm (Note: estimated; official figures not published by Suzuki)
Top Speed
~145 km/h (estimated; dependent on gearing and terrain)
~120 km/h (Note: estimated real-world; not designed for top speed but for off-road performance)
Weight
110 kg (wet/curb weight)
104 kg (wet/curb weight, based on 2019-2023 models)
Fuel
~5.5 L/100km (estimated; highly variable under race/off-road conditions)
~6.5 L/100km (Note: estimated; motocross bikes vary greatly by riding intensity)
Fairing
No
No

Individual Reviews

Suzuki Rm-z 450
Suzuki Rm-z 450
7.8/10

"Fast, rewarding, but only buy one with full service history."

Pros
+Explosive, confidence-inspiring power
+Excellent factory suspension platform
+Strong parts availability
Cons
Valve maintenance costs add up
Unforgiving for beginners
Thirsty on fuel
Suzuki Rm-z250
Suzuki Rm-z250
7.5/10

"A rewarding machine — if you buy one that's been loved."

Pros
+Best-in-class chassis handling
+Strong, usable mid-range power
+Premium Showa suspension components
Cons
Frequently neglected by owners
Expensive to maintain properly
Tight valve adjustment intervals

Top 10 Accessories

Picks that work on either bike.

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Waterproof Motorcycle Cover
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Roadside Tool Kit
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