Suzuki GSX-8S 2023 vs. KTM 390 Duke 2021

Suzuki GSX-8S 2023

Suzuki GSX-8S 2023

KTM 390 Duke 2021

KTM 390 Duke 2021

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Overview - Suzuki GSX-8S 2023 vs KTM 390 Duke 2021

Suzuki GSX-8S 2023

Suzuki GSX-8S 2023

KTM 390 Duke 2021

KTM 390 Duke 2021

Technical Specifications Suzuki GSX-8S 2023 compared to KTM 390 Duke 2021

Suzuki GSX-8S 2023
KTM 390 Duke 2021

Engine and Drive Train

BoreBore84 mmBore89 mm
StrokeStroke70 mmStroke60 mm
Engine powerEngine power83 HPEngine power44 HP
Rpm at Max. PowerRpm at Max. Power8,500 rpmRpm at Max. Power9,500 rpm
TorqueTorque78 NmTorque35 Nm
Rpm at TorqueRpm at Torque6,800 rpmRpm at Torque7,250 rpm
Compression RatioCompression Ratio12.8 Compression Ratio12.6
Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionChain
Number of gearsNumber of gears6Number of gears6
CylindersCylinders2Cylinders1
StrokesStrokes4-StrokeStrokes4-Stroke
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement776 ccmDisplacement373.2 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
BrandBrandKayabaBrandWP
TravelTravel130 mmTravel142 mm

Suspension Rear

BrandBrandKayabaBrandWP

Chassis

FrameFrameSteelFrameChromium-molybdenum
RakeRake65 degreeRake65 degree

Brakes Front

TypeTypeDouble diskTypeSingle disk
DiameterDiameter310 mmDiameter320 mm
PistonPistonFour pistonsPistonFour pistons
TechnologyTechnologyradialTechnologyradial

Brakes Rear

TypeTypeDiscTypeDisc

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Riding modes, Ride by Wire, Shift assistant with blipper, Traction controlAdvanced Rider Assistance SystemsABS

Dimensions and Weights

Front tyre widthFront tyre width120 mmFront tyre width110 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 width150 mm
Rear tyre heightRear tyre height55 %Rear tyre height60 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
WheelbaseWheelbase1,465 mmWheelbase1,367 mm
Seat HeightSeat Height810 mmSeat Height830 mm
Fuel Tank CapacityFuel Tank Capacity14 lFuel Tank Capacity13.4 l
License compliancyLicense compliancyA2, ALicense compliancyA2
RangeRange333 kmRange387 km
Combined fuel consumptionCombined fuel consumption4.2 l/100kmCombined fuel consumption3.46 l/100km

Pros and Cons in comparison

Pros and Cons in comparison

Suzuki GSX-8S 2023

Suzuki GSX-8S 2023

For years, Suzuki was the brand that offered nice bikes at a good price/performance ratio. With the Suzuki GSX-8S, the brand is much more self-confident. It presents itself as high-quality, mature and places itself at the top of a hard-fought class. The unspectacular performance data and the relatively high weight tarnish the picture only briefly. During the test rides, the Suzuki was completely convincing. A really good motorbike.

Full-grown and high-quality overall concept

high-torque engine

first-class running culture, stable handling, overall very high-quality impression

Very good seat

Great nakedbike riding position

Good and precise quickshifter

high-quality controls

very good display

Suspension offers reserves for a wide range of uses despite lack of adjustment options

Good ergonomics

Quickshifter and gearstick require a little more operating force than usual

Motorbike somewhat heavier than other bikes in this class

ABS controls very defensively

Engine has no rev reserves upwards

KTM 390 Duke 2021

KTM 390 Duke 2021

The KTM 390 Duke is a "real" Duke. The trademark: Extremely agile handling that makes for powerful riding fun. The flyweight 390 can be precisely controlled with its narrow waist and wide handlebars and feels most at home in tight corners. Especially with the Supermoto mode, it is a fun machine without equal. Unfortunately, only the brakes and suspension of the 390 cannot maintain the same, very high performance level as on the 125 Duke or 890 Duke. They feel a bit spongy and not optimally tuned, especially when the rider weighs in a bit more. The equipment is otherwise tip-top, especially when you consider the price of the 390 Duke. In terms of riding pleasure/euros, it outperforms most, including its Duke sisters.

Typical Duke ergonomics that are also suitable for taller riders

Extremely agile handling thanks to flyweight and narrow waist

Sporty engine with great handling

Modern TFT display with smartphone connectivity

Supermoto mode is a pleasure

Quickshifter (optional) works perfectly

Adjustable hand levers

Top price-performance ratio for A2 motorbike.

Chassis tuned a little too soft

pressure point of the brakes a little spongy

Price Comparison Avarage Market Price Suzuki GSX-8S vs KTM 390 Duke

Price Suzuki GSX-8S

Model year
Current average market prices

Price KTM 390 Duke

Model year
Current average market prices

Alternative Comparisons

1000PS Partner

LOUISContinental MotorradreifenSchuberthcalimoto GmbHMotorex AG