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Harley Davidson Fat Boy vs KTM 390 Adventure R

Choosing between the Harley Davidson Fat Boy vs KTM 390 Adventure R? BikeJunction is here to help! The Fat Boy starts at ₹ 28.03 Lakh, while the 390 Adventure R is priced at ₹ 3.86 Lakh (ex-showroom). You can easily compare all the required parameters for your new two-wheeler. These two-wheelers have powerful motors with good performance. Among them, the Fat Boy offers 168 Nm @ 3,000 rpm torque. The 390 Adventure R gives 39 Nm torque. Apart from all this, you can pick from 4 colour options for the Fat Boy and 1 for the 390 Adventure R. you will get a more extensive comparison of Harley Davidson Fat Boy and KTM 390 Adventure R, which will definitely clear your confusion between these two-wheelers.

Harley Davidson Fat Boy vs KTM 390 Adventure R Comparison Overview

Key HighlightsFat Boy390 Adventure R
Price₹ 28.03 Lakh₹ 3.86 Lakh
Displacement1868 CC398.7 CC
Power101.591 bhp @ 5,020 rpm 44.2 bhp
Mileage18 KMPL30 KMPL
Top Speed177 kmph_
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Engine
Max Power
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Highest power the engine/motor can produce.

101.591 bhp @ 5,020 rpm 44.2 bhp
Max Torque
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The highest twisting force the engine generates, which affects acceleration and pulling power.

168 Nm @ 3,000 rpm 39 Nm
Battery TypeMaintenance Free N/A
Compression Ratio
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Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability.

10.3:1 12.6
Cooling System
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Method used to prevent engine overheating.

Liquid Cooled Liquid Cooled
Emission Type
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Pollution level compliance of the engine.

BS6 BS6 Phase 2
Engine Type
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Design and working of the two-wheeler's engine.

Milwaukee-Eight™ 114 4 stroke, Single Cylinder, DOHC, Internal Combustion Engine
Motor Type
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The type of motor used in bikes.

N/A N/A
Power Modes
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Different performance settings in a two-wheeler.

N/A N/A
Displacement
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Engine cylinder capacity measured in cc.

1868 398.7
Bore
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Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed.

103.5 mm89 mm
No Of Cylinders2 1
Range
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The maximum distance an electric two-wheeler can travel on a full charge.

378 KmN/A
Stroke
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Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM.

114.3 mm64 mm
Valve Per Cylinder
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Number of valves in each engine cylinder.

4 N/A
Speed
Top Speed177 Km/hN/A
Tyres & Wheels
Tyre SizeFront : 160/60 - R18, Rear : 240/40 - R18 Front : 90/90 - 21, Rear : 140/80 - 18
Wheel SizeFront : 457.2mm, Rear : 457.2mm Front : 21 inch, Rear : 18 inch
Wheels TypeCast aluminum N/A
Tubeless Tyre
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A tyre without an inner tube, reducing puncture risks and maintaining air longer.

Tubeless Tubed
Ignition
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The system that starts the engine, usually via a key, button, or smart start.

CDI N/A
Tyre BrandN/A N/A
Wheelbase
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The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort.

1650 mm1481 mm
Radial Tyre
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A tyre with strong sidewalls and better grip, durability, and heat resistance.

Yes N/A
Front Tyre Pressure Rider36 psiN/A
Front Tyre Pressure Rider And Pillion36 psiN/A
Rear Tyre Pressure Rider40 psiN/A
Rear Tyre Pressure Rider And Pillion40 psiN/A
Brakes
Rear BrakeDisc Disc
Abs
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(Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety.

Dual Channel Dual Channel ABS
Front BrakeDisc Disc
Braking TypeDual Channel ABS N/A
Ebs
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(Electronic Brakeforce Distribution) This electronic system uses the engine’s resistance to slow down the bike smoothly, reducing excessive brake usage and improving control.

N/A N/A
Front Brake Diameter300 mm320 mm
Rear Brake Diameter292 mm240 mm
Fuel
Fuel SupplyFuel Injection N/A
Fuel Capacity18.9 L14.5 L
Fuel Reserve3 LN/A
Body
Body Type
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The overall design and shape of the bike (e.g., cruiser, sports, scooter).

Cruiser Adventure Tourer Bikes, Dirt Bikes, Off Road Bikes
Drive Type
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How power is sent to the wheels (e.g., chain, belt, shaft).

N/A N/A
Frame
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The main structure holding the bike together.

Mild steel, tubular frame Steel Trellis Frame
Water Proof Rating
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The rating which signifies, how well the bike resists water exposure.

N/A N/A
Additional Storage
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Extra space for carrying items.

No Yes
Ground Clearance
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Distance between the bike’s lowest part and the ground.

125 mm272 mm
Height1095 mm1490 mm
Kerb Weight
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Bike’s weight with fuel and fluids.

315 Kg183 Kg
Length2365 mm2238 mm
Seat Height
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Distance from the ground to the seat.

675 mm870 mm
Width965 mm821 mm
Switches & Controls
Riding Modes
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Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery.

No N/A
Pass Switch
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A switch to flash the high beam, signaling other vehicles while overtaking.

Yes N/A
Traction Control
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A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces.

N/A Yes
Meter
Display
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A screen that shows important riding information like speed, fuel, and trip details.

Yes TFT
Fuel Gauge
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Indicates the current fuel level in the tank.

Yes Digital
Instrument Console
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The main dashboard displaying speed, fuel, engine stats, and warnings.

Semi-Digital Digital
Odometer
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Measures and records the total distance the bike has traveled since new.

Digital Digital
Speedometer
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Displays the current speed of the bike in km/h or mph.

Analogue Digital
Tripmeter
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Tracks specific trip distances separately from the odometer, useful for measuring short rides.

Digital Digital
TechometerAnalogue Digital
Distance To Empty Indicator
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Estimates how far you can ride before the fuel runs out.

Yes N/A
Low Battery Indicator
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Warns when the battery charge is low and may need recharging or replacement.

Yes No
Low Oil Indicator
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Alerts when engine oil is low, preventing damage and ensuring smooth performance.

Yes No
Service Due Indicator
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Reminds when the next bike servicing or maintenance is needed.

Yes N/A
Clutch & Gear
Clutch
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A device that connects and disconnects the engine from the wheels for smooth gear shifts.

Wet Multiplate Assist And Slipper Clutch
Gear Box6 Speed 6 Speed
Transmission
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The entire system that transfers engine power to the wheels (includes clutch and gearbox).

Manual Manual
Lights
Head LightLED Headlamp LED
Tail LightLED Tail Lamp LED
Turn Signal Lamp
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Flashing lights on a two-wheeler that indicate the rider's turning or lane-changing direction.

Yes LED
Led Tail Light
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Energy-efficient, bright rear light.

Yes N/A
Low Fuel Indicator
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A warning light when fuel is low.

Yes N/A
Battery
Battery Capacity
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Total energy the battery can store.

N/A N/A
Charging Time Zero HundredN/A N/A
Charging Time Zero EightyN/A N/A
Fast Charging Time
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Time for quick battery charging.

N/A N/A
Shockers
Suspension FrontDual-bending valve 49 mm telescopic with aluminum fork triple clamps WP APEX 43
Suspension RearHidden, free piston, coil-over monoshock; 43mm stroke WP APEX Split Piston
Seat
Seat Type
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The design of the seat that affects comfort and seating position.

Split N/A
Stepup SeatYes N/A
Others
Additional FeaturesHigh beam N/A
Music Control
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A feature that lets you play, pause, or change music via the two-wheeler's console or connected device.

N/A N/A
Motor Ip Rating
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A rating which indicates how well the motor is protected against dust and water.

N/A N/A
Navigation
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A feature that provides turn-by-turn directions on the two-wheeler display or connected device.

Yes No
Mobile Application
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A companion app to monitor bike stats, location, and settings.

No Yes
Call Sms Alerts
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Notifies you of incoming calls or messages on the bike’s screen.

N/A Yes
OtaN/A Yes
Cruise Control
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A feature in which rider can set a steady speed without using the throttle.

N/A No
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Images of Fat Boy and 390 Adventure R

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KTM 390 Adventure R Comparison with Similar Bikes

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Latest News on Fat Boy and 390 Adventure R

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FAQs about Fat Boy and 390 Adventure R

Q. What is the price difference Harley Davidson Fat Boy and KTM 390 Adventure R?

A. The Fat Boy is currently priced at ₹ 28.03 Lakh and the 390 Adventure R costs around ₹ 3.86 Lakh in India. Among them, the ₹ 3.86 Lakh is more affordable.

Q. Which is more suitable, Harley Davidson Fat Boy and KTM 390 Adventure R?

A. Fat Boy has an average rating of 4.8. On the other hand, 390 Adventure R comes with 0

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