KTM 690 Duke 2018 vs. KTM 390 Duke 2021

KTM 690 Duke 2018

KTM 690 Duke 2018

KTM 390 Duke 2021

KTM 390 Duke 2021

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Overview - KTM 690 Duke 2018 vs KTM 390 Duke 2021

The KTM 690 Duke 2018 and the KTM 390 Duke 2021 are both naked bikes from KTM, but they have some key differences in terms of their technical specifications and strengths.

Starting with the engine, the KTM 690 Duke 2018 boasts a more powerful engine with 73 HP compared to the KTM 390 Duke 2021, which has 44 HP. The torque of the KTM 690 Duke is also higher at 70 Nm compared to the 35 Nm of the KTM 390 Duke. Both bikes have a single-cylinder engine with liquid cooling, but the displacement of the KTM 690 Duke is larger at 690 ccm, while the KTM 390 Duke has a displacement of 373.2 ccm.

KTM 690 Duke 2018

KTM 690 Duke 2018

In terms of suspension, both bikes feature upside-down telescopic forks from WP for the front suspension and WP for the rear suspension. The chassis of both bikes is made of chromium-molybdenum and has a tubular frame type. The front brakes of both bikes have a diameter of 320 mm and four pistons, with radial technology.

In terms of dimensions and weights, the KTM 690 Duke has a wider front tire width at 120 mm compared to the 110 mm of the KTM 390 Duke. Both bikes have a front tire diameter of 17 inches. The rear tire width of the KTM 690 Duke is also wider at 160 mm compared to the 150 mm of the KTM 390 Duke. Both bikes have a rear tire diameter of 17 inches. The wheelbase of the KTM 690 Duke is longer at 1466 mm compared to the 1367 mm of the KTM 390 Duke. The seat height of the KTM 690 Duke is also higher at 835 mm compared to the 830 mm of the KTM 390 Duke. The fuel tank capacity of the KTM 690 Duke is larger at 14 liters compared to the 13.4 liters of the KTM 390 Duke.

Moving on to the strengths of each bike, the KTM 690 Duke 2018 is known for its powerful engine and is suitable for everyday use. It also has many technical aids and is maneuverable with smooth running. On the other hand, the KTM 390 Duke 2021 has typical Duke ergonomics that are also suitable for taller riders. It offers extremely agile handling thanks to its flyweight and narrow waist. The KTM 390 Duke also has a sporty engine with great handling and a modern TFT display with smartphone connectivity. It also features a Supermoto mode and a quickshifter (optional) that works perfectly. Additionally, the KTM 390 Duke has adjustable hand levers and offers a top price-performance ratio for an A2 motorbike.

KTM 390 Duke 2021

KTM 390 Duke 2021

In terms of weaknesses, the KTM 690 Duke 2018 may not be considered a "real" single-cylinder Duke by some. The KTM 390 Duke 2021, on the other hand, has a chassis that is tuned a little too soft and the pressure point of the brakes can be a little spongy.

In conclusion, while both the KTM 690 Duke 2018 and the KTM 390 Duke 2021 are naked bikes from KTM, they have notable differences in terms of their technical specifications and strengths. The KTM 690 Duke offers a more powerful engine and is suitable for everyday use, while the KTM 390 Duke provides agile handling and a sporty engine with great handling.

Technical Specifications KTM 690 Duke 2018 compared to KTM 390 Duke 2021

KTM 690 Duke 2018
KTM 390 Duke 2021

Engine and Drive Train

BoreBore102 mmBore89 mm
Engine powerEngine power73 HPEngine power44 HP
Rpm at Max. PowerRpm at Max. Power7,500 rpmRpm at Max. Power9,500 rpm
TorqueTorque70 NmTorque35 Nm
Rpm at TorqueRpm at Torque5,500 rpmRpm at Torque7,250 rpm
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeAntihoppingClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionChain
CylindersCylinders1Cylinders1
StrokesStrokes4-StrokeStrokes4-Stroke
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement690 ccmDisplacement373.2 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
BrandBrandWPBrandWP
DiameterDiameter43 mmDiameter43 mm
TravelTravel135 mmTravel142 mm

Suspension Rear

BrandBrandWPBrandWP
TravelTravel135 mmTravel150 mm

Chassis

FrameFrameChromium-molybdenumFrameChromium-molybdenum
Frame typeFrame typeTubularFrame typeTubular

Brakes Front

DiameterDiameter320 mmDiameter320 mm
PistonPistonFour pistonsPistonFour pistons
Shock mountShock mountFixed caliperShock mountFloating caliper
TechnologyTechnologyradialTechnologyradial

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter240 mmDiameter230 mm
PistonPistonSingle pistonPistonSingle piston
Shock mountShock mountFloating caliperShock mountFloating caliper

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsRide by WireAdvanced 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 width160 mmRear tyre width150 mm
Rear tyre heightRear tyre height60 %Rear tyre height60 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
WheelbaseWheelbase1,466 mmWheelbase1,367 mm
Seat HeightSeat Height835 mmSeat Height830 mm
Fuel Tank CapacityFuel Tank Capacity14 lFuel Tank Capacity13.4 l
License compliancyLicense compliancyALicense compliancyA2

Pros and Cons in comparison

Pros and Cons in comparison

KTM 690 Duke 2018

KTM 690 Duke 2018

Considering where the KTM Duke family once started, the 690 Duke is an incredible step forward. The engine is extremely refined and at the same time husky for a street-legal single-cylinder. Despite all the technology on board, it is still a very light motorbike and can almost be called a toy (in a good sense). Only its seating position divides opinions, because with the Duke 4 in 2012, the former supermotos became an almost tame naked bike with a front-wheel-oriented seating position. The advantage: everyday life and long tours should not be a problem on the current Duke.

powerful engine

suitable for everyday use

many technical aids

manoeuvrable

smooth running

For some, not a "real" single-cylinder Duke

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 KTM 690 Duke vs KTM 390 Duke

There are a few key differences between a KTM 690 Duke 2018 and a KTM 390 Duke 2021. In terms of price, the actual average price of a KTM 690 Duke 2018 is about 35% higher. A KTM 690 Duke 2018 experiences a loss of 330 USD in one year and 570 USD in two years of ownership. This is offset by a loss of 160 USD and 560 USD for a KTM 390 Duke 2021. Compared to KTM 390 Duke 2021 there are less KTM 690 Duke 2018 bikes available on the 1000PS.de Marketplace, specifically 14 compared to 15. With 82 days it takes the same amount of time to sell a KTM 690 Duke or a KTM 390 Duke. Since model year 2008 1000PS.de editors have written 29 reviews for the KTM 690 Duke and 33 reviews for the KTM 390 Duke since model year 2013. The first review for the KTM 690 Duke was published on 9/28/2007 and now has more than 14,800 views. This compares to more than 26,300 views for the first review on KTM 390 Duke published on 11/12/2012.

Price KTM 690 Duke

Model year
Current average market prices

Price KTM 390 Duke

Model year
Current average market prices

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