KTM 390 Duke vs Triumph Bonneville T40

Last Updated: October 11, 2026

Triumph Bonneville T40 price starts at Rs. 2.55 Lakh, which is Rs. 30,368 cheaper than the base variant of KTM 390 Duke, priced at Rs. 2.85 Lakh. On the performance front, the 390 Duke uses a 349.32cc engine producing 41.5 PS @ 8600 rpm and the Bonneville T40 a 350cc engine producing 29 PS @ 7000 rpm. If you're deciding between the 390 Duke and Bonneville T40, the 390 Duke is the better pick for performance and a lighter kerb weight, while the Bonneville T40 stands out for affordability.

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390 Duke vs Bonneville T40 Comparison Summary

Specification KTM 390 DukeTriumph Bonneville T40
Ex-showroom price (base) Rs. 2.85 LakhRs. 2.55 Lakh
Engine 349.32 cc350 cc
Max power 41.5 PS @ 8600 rpm29 PS @ 7000 rpm
Kerb weight 168.3 Kg195 Kg

390 Duke vs Bonneville T40 Key Highlights

Basic Info KTM 390 Duke STDTriumph Bonneville T40 T4
Rating
1 review
1 review
Brand Name KTM Triumph
Ex-Showroom Price Rs. 2.85 Lakh Check On Road Price Rs. 2.55 Lakh Check On Road Price
Engine Type 4 stroke, Single Cylinder, DOHC, Internal Combustion Engine Liquid-cooled, single-cylinder, 4 valve, DOHC
Max Power 41.5 PS @ 8600 rpm 29 PS @ 7000 rpm
Fuel Type Petrol Petrol
Colors
KTM 390 Duke Colors
Triumph Bonneville T40 Colors
Braking Type Not Available Anti-lock Braking System
Wheel Size Front :-431.8 mm,Rear :-431.8 mm Front :-18 Inch,Rear :-17 Inch
Wheels Type (Pressed Steel/ Alloy) Alloy Spoke
ABS Dual Channel Dual Channel
Starting Self Start Only Self Start Only
Speedometer Digital Digital
EMI
Rs. 7,813 @ 6% (36 months)
Rs. 6,982 @ 6% (36 months)
Insurance Rs. 13,489 390 Duke Insurance Rs. 12,978 Bonneville T40 Insurance
Brochure
Download Brochure
N/A

Valves (per cylinder)
4
4
Claimed Top Speed
Not Available
132 kmph
Emission Norm Compliance
bs6.2
bs6
Flex Fuel Blend
Not Available
E20
Engine Type
4 stroke, Single Cylinder, DOHC, Internal Combustion Engine
Liquid-cooled, single-cylinder, 4 valve, DOHC
Engine Displacement
349.32 cc
350 cc
Gear Box
6 Speed
6 speed
Max Power
41.5 PS @ 8600 rpm
29 PS @ 7000 rpm
Max Torque
33.5 Nm @ 7000 rpm
31.2 Nm @ 5500 rpm
Bore
89 mm
89.0 mm
Stroke
56.15 mm
56.1 mm
Number Of Cylinders
1
1
Drive Type
Chain Drive
Chain Drive
Fuel System
Fuel Injection
Fuel Injection
Fuel Type
Petrol
Petrol
Compression Ratio
12.68:1
12.1:1

Front Brake
Disc
Disc
Rear Brake
Disc
Disc
Front Caliper
Not Available
2 Piston
Rear Caliper
Not Available
1 Piston
Braking Type
Not Available
Anti-lock Braking System

Power to Weight Ratio
247 PS/tonne
Not Available
Estimated Mileage
Not Available
27.02 kmpl
Fuel Gauge
Digital
Digital

Rear Suspension Preload Adjustment
Not Available
Yes
Rear Suspension Travel / Wheel Travel
Not Available
130 mm
Suspension-Front
Adj (5 step Damping) -Inverted telescopic fork, 43mm dia (open cartridge), Wheel Travel - 151 mm
43mm forks. 130mm wheel travel
Suspension-Rear
Adj (5 step Damping ) - Mono shox.- 10 steps (prelaod Adj), Wheel Travel - 161 mm
Twin Shock with pre-load adjustment. 130mm wheel travel

Front Tyre Pressure (Rider)
Not Available
26 psi
Rear Tyre Pressure (Rider)
Not Available
33 psi
Rear Tyre Pressure (Rider and Pillion)
Not Available
33 psi
Tyre Size
Front :- 110/70-17 Rear :-150/60-17
Front :-100/90-18 Rear :-150/70 R17
Wheel Size
Front :-431.8 mm,Rear :-431.8 mm
Front :-18 Inch,Rear :-17 Inch
Tyre Make
Apollo
MRF
Tyre Type
Tubeless
Tube
Radial Tyre
Yes
Yes
Wheels Type (Pressed Steel/ Alloy)
Alloy
Spoke

Seat height
800 mm
790 mm
Gross Weight
Not Available
379 kg
Length*Width*Height
Not Available
2120*818*1081 mm3
Wheelbase
1354 mm
1418 mm
Length
Not Available
2120 mm
Ground Clearance
183 mm
165 mm
Height
Not Available
1081 mm
Width
Not Available
818 mm
Fuel Tank Capacity
15 L
14.5 L
Kerb Weight
168.3 Kg
195 Kg
Tail Light
LED
LED
Front Brake Size
320 mm
310 mm
Rear Brake Size
240 mm
255 mm

Battery Type
Not Available
Lead Acid
Call/SMS Alerts
Yes
Yes
USB charging port
Yes
Yes
Music control
Yes
Yes
Headlight
LED
LED
Battery Capacity
12V / 8AH
12V / 8AH

Cruise Control
Yes
Not Available
Frame Type
Split-Trellis Frame, Aluminum Casted Rear Frame
Hybrid spine/perimeter, tubular steel
Digital Display Type
TFT
LCD
Malfunction Indicator
Yes
Yes
Trip Meter
Digital
Digital
Pillion Seat
Yes
Not Available
Pillion Grab Rail
Yes
Yes
Calls and Messaging
Yes
Yes
Navigation assist
Yes
Yes
Riding Modes
Rain,Street
Road,Rain,Eco
Traction Control
Yes
Yes
Kill Switch
Yes
Yes
No. of Tripmeters
3
Not Available
Engine Temperature Indicator
Yes
Not Available
Hill Hold
No
Not Available
Rear Footpegs
Yes
Yes
Multi-function Lock
Not Available
Yes
Daytime Running Lamps
Yes
Not Available
Additional Features/Information
Cornering ABS, SuperMoto ABS, Track Screen, Ride-by-Wire
Not Available
Gear Position Indicator
Yes
Yes
Average Fuel Economy Indicator
Yes
Not Available
ABS Type
Dual Channel
Dual Channel
Distance To Empty
Yes
Not Available
Navigation Type
Not Available
Turn-by-turn
Side Stand Warning
Yes
Yes
Physical Key
Not Available
Yes
Exhaust Heat Shield
Yes
Yes
Front Footpegs
Not Available
Forward-set
Body
Not Available
Metal
Launch Control
Yes
Not Available
Immobilizer
Not Available
Yes
ABS
Dual Channel
Dual Channel
Body Type
Sports Naked Bikes
Roadster Bikes
Body Graphics
Yes
Not Available
Instrument Console Type
Digital
Digital
Bluetooth Connectivity
Bluetooth
Yes
Starting
Self Start Only
Self Start Only
Seat Type
Split
Single
Pass Beam Switch
Yes
Yes
Speedometer
Digital
Digital
Tachometer
Digital
Digital
Low Fuel Warning Lamp
Yes
Yes
Clock
Yes
Not Available
Low Oil Indicator
Yes
Not Available
Cooling System
Liquid Cooled
Liquid Cooled
Odometer
Digital
Digital
Navigation
Yes
Yes
Service Due Indicator
Yes
Yes
Switchable ABS
Yes
Not Available
Saree Guard
Yes
Yes
Shift Light
Yes
Not Available
Quick Shifter
Yes
Not Available
Hazard Light Switch
Yes
Yes

Pros and Cons

  • Positives
  • Negatives
KTM 390 Duke
  • Feature-loaded with premium electronics
  • Lightweight and agile handling
Triumph Bonneville T40
  • Most powerful in segment at 29 PS
  • Cruise control, cornering ABS and traction control
  • 4-inch TFT with navigation
  • Liquid cooled engine
  • Low 790 mm seat height
  • Full LED lighting
KTM 390 Duke
  • Lower performance than 398cc version (390 Duke R)
Triumph Bonneville T40
  • Expensive compared to rivals
  • Heavy at 195 kg
  • Tube tyres
  • Smaller service network
  • Lacks twin-cylinder character
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KTM 390 Duke Vs Triumph Bonneville T40 FAQs

Which bike is cheaper KTM 390 Duke vs Triumph Bonneville T40?
The Triumph Bonneville T40 is cheaper than KTM 390 Duke by ₹30,368.
Which bike offers better performance KTM 390 Duke vs Triumph Bonneville T40?
For the STD version, 349.32 cc Petrol engine of 390 Duke produces 41.5 PS @ 8600 rpm of power and 33.5 Nm @ 7000 rpm of torque. Whereas for the T4 version, 350 cc Petrol engine of Bonneville T40 produces 29 PS @ 7000 rpm of power and 31.2 Nm @ 5500 rpm of torque

Images of KTM 390 Duke and Triumph Bonneville T40

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390 Duke
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