Kawasaki Z900 RS 2018 vs. Ducati Streetfighter V4 S 2020

Kawasaki Z900 RS 2018

Kawasaki Z900 RS 2018

Ducati Streetfighter V4 S 2020

Ducati Streetfighter V4 S 2020

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Overview - Kawasaki Z900 RS 2018 vs Ducati Streetfighter V4 S 2020

The Kawasaki Z900 RS 2018 and the Ducati Streetfighter V4 S 2020 are both naked bikes with powerful engines and advanced rider assistance systems. However, they differ in terms of engine power, torque, suspension, chassis, brakes, and dimensions.

The Kawasaki Z900 RS 2018 is equipped with an inline, liquid-cooled engine that produces 111 HP and 98.6 Nm of torque. It has a fuel injection system and four cylinders. The bike features an upside-down telescopic fork front suspension with compression, preload, and rebound adjustment, and a swing arm rear suspension with preload and rebound adjustment. The frame is made of steel, providing stability and durability. The front brakes are double disk with a diameter of 300 mm and four pistons. The Z900 RS has advanced rider assistance systems such as ABS, Ride by Wire, and traction control. It has a front tire width of 120 mm and a rear tire width of 180 mm, both with a diameter of 17 inches. The wheelbase is 1470 mm, and the seat height is 835 mm. The bike weighs 215 kg (with ABS) and has a fuel tank capacity of 17 liters.

Kawasaki Z900 RS 2018

Kawasaki Z900 RS 2018

On the other hand, the Ducati Streetfighter V4 S 2020 is equipped with a V, liquid-cooled engine that produces a whopping 208 HP and 123 Nm of torque. It also has a fuel injection system and four cylinders. The bike features an upside-down telescopic fork front suspension with compression, preload, and rebound adjustment, and a single swing arm rear suspension with compression, preload, and rebound adjustment. The frame is made of aluminum, providing a lightweight and agile ride. The front brakes are double disk with a diameter of 330 mm and four pistons. The Streetfighter V4 S has advanced rider assistance systems such as ABS, riding modes, dynamic suspension, cornering ABS, launch control, ride by wire, quickshifter, traction control, and anti-wheelie. It has a front tire width of 120 mm and a rear tire width of 200 mm, both with a diameter of 17 inches. The wheelbase is 1488 mm, and the seat height is 845 mm. The bike weighs 199 kg (with ABS) and has a fuel tank capacity of 16 liters.

In terms of strengths, the Kawasaki Z900 RS 2018 is praised for its powerful and smooth engine, good looks, comfortable seating position, easy rideability, and balanced handling. It is not nervous or ponderous, providing a confident and enjoyable riding experience. On the other hand, the Ducati Streetfighter V4 S 2020 is lauded for its top-level electronics package, high-revving and brutally powerful engine, very agile handling, surprisingly comfortable seating position even for tall riders, powerful brakes, sporty and high-quality chassis, and great aerodynamics that provide stable wind conditions even at high speeds. Additionally, the Streetfighter V4 S is considered to have looks that are to die for.

Ducati Streetfighter V4 S 2020

Ducati Streetfighter V4 S 2020

However, the Kawasaki Z900 RS 2018 does have some weaknesses. It lacks a shift assistant, making gear shifting less smooth compared to bikes with this feature. It is also heavier than other retro bikes in its class, which may affect maneuverability. The seat is considered a little too soft for long tours, and there is no wind protection, which may lead to discomfort during high-speed rides. On the other hand, the Ducati Streetfighter V4 S 2020 has a few weaknesses as well. It requires higher revs to deliver power, lacking low-end torque. In city traffic and everyday life, the engine response can be somewhat rough. The bike's handling at low speeds is tippy, requiring more effort to maneuver. Additionally, the engine noise strongly changes depending on speed and flap position, which may be a drawback for some riders.

In conclusion, the Kawasaki Z900 RS 2018 and the Ducati Streetfighter V4 S 2020 are both powerful naked bikes with advanced features. The Z900 RS offers a smooth and comfortable ride, while the Streetfighter V4 S provides a thrilling and sporty experience. The choice between the two ultimately depends on the rider's preferences for power, handling, and aesthetics.

Technical Specifications Kawasaki Z900 RS 2018 compared to Ducati Streetfighter V4 S 2020

Kawasaki Z900 RS 2018
Ducati Streetfighter V4 S 2020

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeV
BoreBore73.4 mmBore81 mm
StrokeStroke56 mmStroke53.5 mm
Engine powerEngine power111 HPEngine power208 HP
Rpm at Max. PowerRpm at Max. Power8,500 rpmRpm at Max. Power12,750 rpm
TorqueTorque98.6 NmTorque123 Nm
Rpm at TorqueRpm at Torque6,500 rpmRpm at Torque11,500 rpm
Compression RatioCompression Ratio10.8 Compression Ratio14
Fuel systemFuel systemInjectionFuel systemInjection
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders4Cylinders4
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesDOHCValvesDesmodromic
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement948 ccmDisplacement1,103 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter41 mmDiameter43 mm
TravelTravel120 mmTravel120 mm
AdjustmentAdjustmentCompression, Preload, ReboundAdjustmentCompression, Preload, Rebound

Suspension Rear

SuspensionSuspensionSwing armSuspensionSingle swing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel140 mmTravel130 mm
AdjustmentAdjustmentPreload, ReboundAdjustmentCompression, Preload, Rebound
MaterialMaterialAluminiumMaterialAluminium

Chassis

FrameFrameSteelFrameAluminium
Frame typeFrame typeTubularFrame typeMonocoque
RakeRake65 degreeRake65.5 degree
TrailTrail98 mmTrail100 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter300 mmDiameter330 mm
PistonPistonFour pistonsPistonFour pistons
Shock mountShock mountFixed caliperShock mountSemi-Schwimmsattel
ActuationActuationHydraulicActuationHydraulic

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter250 mmDiameter245 mm
PistonPistonSingle pistonPistonSingle piston

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Ride by Wire, Traction controlAdvanced Rider Assistance SystemsABS, Riding modes, Dynamic suspension, Cornering ABS, Launch-Control, Ride by Wire, Quickshifter, Traction control, Anti-wheelie

Dimensions and Weights

Front tyre widthFront tyre width120 mmFront tyre width120 mm
Front tyre heightFront tyre height70 %Front tyre height70 %
Front tyre diameterFront tyre diameter17 inchFront tyre diameter17 inch
Rear tyre widthRear tyre width180 mmRear tyre width200 mm
Rear tyre heightRear tyre height55 %Rear tyre height60 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
WheelbaseWheelbase1,470 mmWheelbase1,488 mm
Seat HeightSeat Height835 mmSeat Height845 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)215 kgKerb Weight (with ABS)199 kg
Fuel Tank CapacityFuel Tank Capacity17 lFuel Tank Capacity16 l
License compliancyLicense compliancyALicense compliancyA

Pros and Cons in comparison

Pros and Cons in comparison

Kawasaki Z900 RS 2018

Kawasaki Z900 RS 2018

Its four-cylinder is silky smooth while delivering enough power to make you grin under your helmet. It is also very easy to move, which should make it a great commuter bike in everyday life and serve as an iconic fun bike at the weekend. The looks find the perfect straddle of classic design and modern details to form a coherent retro package that is also a worthy tribute to Kawasaki history. It's a great naked bike with a snazzy look.

Powerful and smooth engine

good looks

comfortable seating position

easy to ride

balanced handling. Not nervous and not ponderous

no shift assistant

heavier than other retro bikes in this class

seat a little too soft on long tours

no wind protection

Ducati Streetfighter V4 S 2020

Ducati Streetfighter V4 S 2020

The bike has taken much of its sporty roots from the Panigale. This will delight friends of the streetfighter. Electronics and engine power are superior, the chassis is radically fast and the machine rules in stopwatch duels. However, it has rough edges. The big surprise: you sit well on the noble beast and can actually ride it on extended tours!

Electronics package at the absolute top level

High-revving and brutally powerful engine

Very agile handling

Surprisingly comfortable seating position even for tall riders

Powerful brakes

Sporty, high-quality chassis

Great aerodynamics - stable wind conditions even in the saddle

Looks to die for

For fear in the saddle, revs are necessary - no steam hammer from the basement

In city traffic and everyday life somewhat rough engine response

Tippy handling at low speeds

Strongly changing engine noise - depending on speed and flap position.

Price Comparison Avarage Market Price Kawasaki Z900 RS vs Ducati Streetfighter V4 S

There are a few key differences between a Kawasaki Z900 RS 2018 and a Ducati Streetfighter V4 S 2020. In terms of price, the actual average price of a Ducati Streetfighter V4 S 2020 is about 66% higher. Compared to Ducati Streetfighter V4 S 2020 there are more Kawasaki Z900 RS 2018 bikes available on the 1000PS.de Marketplace, specifically 28 compared to 14. It takes less time to sell a Ducati Streetfighter V4 S with 62 days compared to 154 days for the Kawasaki Z900 RS. Since model year 2018 1000PS.de editors have written 26 reviews for the Kawasaki Z900 RS and 17 reviews for the Ducati Streetfighter V4 S since model year 2020. The first review for the Kawasaki Z900 RS was published on 9/6/2017 and now has more than 63,700 views. This compares to more than 73,600 views for the first review on Ducati Streetfighter V4 S published on 3/26/2020.

Price Kawasaki Z900 RS

Model year
Current average market prices

Price Ducati Streetfighter V4 S

Model year
Current average market prices

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