Kawasaki Z 400 2023 vs. Aprilia Tuono 660 2021

Kawasaki Z 400 2023

Kawasaki Z 400 2023

Aprilia Tuono 660 2021

Aprilia Tuono 660 2021

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Overview - Kawasaki Z 400 2023 vs Aprilia Tuono 660 2021

The Kawasaki Z 400 2023 and the Aprilia Tuono 660 2021 are both naked bikes with similar engine configurations, but they have some notable differences in terms of power, technology, and overall performance.

Starting with the engine, the Kawasaki Z 400 2023 features an inline twin-cylinder engine with a displacement of 399cc. It produces 45 horsepower and 37 Nm of torque. On the other hand, the Aprilia Tuono 660 2021 has a slightly larger inline twin-cylinder engine with a displacement of 659cc. It delivers a more powerful performance with 95 horsepower and 67 Nm of torque. The Aprilia Tuono 660 2021 clearly has the advantage in terms of power output.

In terms of suspension, both bikes feature a swing arm and a monoshock rear suspension. However, the Kawasaki Z 400 2023 has a telescopic fork front suspension, while the Aprilia Tuono 660 2021 is equipped with an upside-down telescopic fork front suspension. The upside-down fork on the Aprilia Tuono 660 2021 is generally considered to provide better performance and stability during aggressive riding.

Kawasaki Z 400 2023

Kawasaki Z 400 2023

The chassis of the Kawasaki Z 400 2023 is made of steel, while the Aprilia Tuono 660 2021 features an aluminum frame. The aluminum frame on the Aprilia Tuono 660 2021 is lighter and offers better rigidity, contributing to improved handling and maneuverability.

When it comes to braking, the Kawasaki Z 400 2023 has a single disc front brake with a diameter of 310mm and a double-piston caliper. On the other hand, the Aprilia Tuono 660 2021 is equipped with double disc front brakes with a larger diameter of 320mm and four-piston radial calipers. The larger diameter and radial calipers on the Aprilia Tuono 660 2021 provide better stopping power and more precise braking performance.

In terms of advanced rider assistance systems, both bikes come with ABS. However, the Aprilia Tuono 660 2021 offers a more extensive range of electronic aids, including riding modes, launch control, ride-by-wire, quickshifter, traction control, and anti-wheelie. These features provide enhanced safety and performance, although some of them may come at an additional cost.

In terms of dimensions and weights, both bikes have similar wheelbase measurements of 1370mm. However, the Aprilia Tuono 660 2021 has a higher seat height at 820mm compared to the Kawasaki Z 400 2023's 785mm. The Aprilia Tuono 660 2021 also has a slightly larger fuel tank capacity of 15 liters compared to the Kawasaki Z 400 2023's 14 liters.

Aprilia Tuono 660 2021

Aprilia Tuono 660 2021

In terms of strengths, the Kawasaki Z 400 2023 is praised for its lively engine, good chassis and brakes, easy handling, grown-up look, and high-quality workmanship. On the other hand, the Aprilia Tuono 660 2021 is commended for its easy-to-operate engine with a good sound, sporty handling, good ergonomics, decent brakes, and extensive electronics (although some may come at an extra cost).

As for weaknesses, the Kawasaki Z 400 2023 is criticized for its non-adjustable levers, while the Aprilia Tuono 660 2021 is noted for its higher price-to-performance ratio and the additional cost of the IMU package.

In conclusion, the Aprilia Tuono 660 2021 offers a more powerful engine, advanced electronics, and better braking performance compared to the Kawasaki Z 400 2023. However, the Kawasaki Z 400 2023 has its own strengths in terms of handling, build quality, and a more affordable price point. Ultimately, the choice between these two bikes will depend on the rider's preferences and priorities.

Technical Specifications Kawasaki Z 400 2023 compared to Aprilia Tuono 660 2021

Kawasaki Z 400 2023
Aprilia Tuono 660 2021

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line crankpin offset
BoreBore70 mmBore81 mm
StrokeStroke51.8 mmStroke63.93 mm
Engine powerEngine power45 HPEngine power95 HP
Rpm at Max. PowerRpm at Max. Power10,000 rpmRpm at Max. Power10,500 rpm
TorqueTorque37 NmTorque67 Nm
Rpm at TorqueRpm at Torque8,000 rpmRpm at Torque8,500 rpm
Compression RatioCompression Ratio11.5 Compression Ratio13.5
Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath, Antihopping
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders2Cylinders2
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement399 ccmDisplacement659 ccm

Suspension Front

Front suspensionFront suspensionTelescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter41 mmDiameter41 mm
TravelTravel120 mmTravel120 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel130 mmTravel130 mm
AdjustmentAdjustmentPreloadAdjustmentPreload, Rebound

Chassis

FrameFrameSteelFrameAluminium
Frame typeFrame typeTubularFrame typeLoad-bearing engine
RakeRake65.5 degreeRake65.9 degree
TrailTrail92 mmTrail104.6 mm

Brakes Front

TypeTypeSingle diskTypeDouble disk
DiameterDiameter310 mmDiameter320 mm
PistonPistonDouble pistonPistonFour pistons
TechnologyTechnologyPetalTechnologyradial

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter220 mm
PistonPistonDouble pistonPistonDouble piston

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABSAdvanced Rider Assistance SystemsABS, Riding modes, Launch-Control, Ride by Wire, Quickshifter, Traction control, Anti-wheelie

Dimensions and Weights

Front tyre widthFront tyre width110 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 width150 mmRear tyre width180 mm
Rear tyre heightRear tyre height60 %Rear tyre height55 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
LengthLength1,990 mmLength1,995 mm
WidthWidth800 mmWidth745 mm
WheelbaseWheelbase1,370 mmWheelbase1,370 mm
Seat HeightSeat Height785 mmSeat Height820 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)167 kgKerb Weight (with ABS)183 kg
Fuel Tank CapacityFuel Tank Capacity14 lFuel Tank Capacity15 l
License compliancyLicense compliancyA2License compliancyA2, A

Pros and Cons in comparison

Pros and Cons in comparison

Kawasaki Z 400 2023

Kawasaki Z 400 2023

A cool and sensible entry into the A2 class. The Kawasaki Z400 scores points all along the line with its instinctive handling and the in-line two-cylinder, which convinces with good response and sufficient power. You can't go wrong with this naked bike and you can overlook the fact that the levers are not adjustable - after all, costs have to be saved somewhere.

lively engine

good chassis and brakes

easy handling

grown-up look

high-quality workmanship

Non-adjustable levers

Aprilia Tuono 660 2021

Aprilia Tuono 660 2021

The Tuono delivers on the bends what the name promises. The sporty naked bike rides precisely and you enjoy the sporty corner chase. At the exit of the bend, however, one wishes for more emotion and adrenaline. The sporty expectation is naturally also created by the Tuono's racy appearance and cheeky demeanour. But this expectation is unfortunately not quite fulfilled in the saddle.

Easy-to-operate engine with good sound

successful appearance sporty handling

good ergonomics

decent brakes

extensive electronics - but partly at extra cost

stable and precise chassis

Price / performance ratio not right

IMU package costs extra

Price Comparison Avarage Market Price Kawasaki Z 400 vs Aprilia Tuono 660

There are a few key differences between a Kawasaki Z 400 2023 and a Aprilia Tuono 660 2021. In terms of price, the actual average price of a Aprilia Tuono 660 2021 is about 75% higher. Compared to Aprilia Tuono 660 2021 there are more Kawasaki Z 400 2023 bikes available on the 1000PS.de Marketplace, specifically 89 compared to 16. It takes less time to sell a Aprilia Tuono 660 with 122 days compared to 123 days for the Kawasaki Z 400. Since model year 2019 1000PS.de editors have written 8 reviews for the Kawasaki Z 400 and 8 reviews for the Aprilia Tuono 660 since model year 2021. The first review for the Kawasaki Z 400 was published on 10/2/2018 and now has more than 23,200 views. This compares to more than 52,500 views for the first review on Aprilia Tuono 660 published on 11/5/2019.

Price Kawasaki Z 400

Model year
Current average market prices

Price Aprilia Tuono 660

Model year
Current average market prices

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