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All Bikes/Compare/Suzuki Rmz450 vs Suzuki Rm-z 450

Suzuki Rmz450 vs Suzuki Rm-z 450

Side-by-side comparison for used motorcycle buyers

Suzuki Rmz450 vs Suzuki Rm-z 450. 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. 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

Suzuki Rmz450 Suzuki Rm-z 450
Horsepower (hp)
56 hp
56 hp
Torque (Nm)
52 Nm
51 Nm
Top Speed (km/h)
145 km/h
145 km/h
Weight (kg) — lower is better
111 kg
110 kg
Type
Motocross
Motocross
Horsepower
~56 hp @ 9,000 rpm (estimate based on dyno testing of modern RM-Z450)
~56 hp @ 9,500 rpm (estimated for modern 2018+ spec)
Torque
~52 Nm @ 7,500 rpm (estimate)
~51 Nm @ 7,500 rpm (estimated)
Top Speed
~145 km/h (estimate; top speed is not a primary design focus for motocross bikes)
~145 km/h (estimated; dependent on gearing and terrain)
Weight
111 kg (curb/wet weight — 2023 model)
110 kg (wet/curb weight)
Fuel
~6.5 L/100km (estimate; varies greatly with riding intensity — motocross use is highly variable)
~5.5 L/100km (estimated; highly variable under race/off-road conditions)
Fairing
No
No

Individual Reviews

Suzuki Rmz450
Suzuki Rmz450
7.5/10

"Buy right and maintain it — ignore either and suffer."

Pros
+Sharp, confidence-inspiring handling
+Controllable power delivery
+Excellent suspension components
Cons
Brutal to neglected engines
Expensive valve maintenance intervals
Hard seat stock
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

Top 10 Accessories

Picks that work on either bike.

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Full-Face Motorcycle Helmet
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Chain Lube & Cleaner Kit
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Battery Trickle Charger
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Handlebar Phone Mount
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Waterproof Motorcycle Cover
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Roadside Tool Kit
Tool Kit
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Helmet Action Camera
Action Camera
Helmet Action Camera
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