KTM 390 DUKE — Top Speed 170 km/h (106 mph)

Is the KTM 390 DUKE a good buy? Quick answer

The KTM 390 DUKE has a listed top speed of 170 km/h (106 mph) with 44 hp, 37 Nm torque, 400 cc engine, 149 kg curb weight. It sits in the Naked segment. Compare rivals side-by-side using the tools on this page.

Feature Value
Brand KTM
Model KTM 390 DUKE
Engine size 400 cc
Power 44 hp
Torque 37 Nm
Cylinder / Valve Single Cylinder, 4 valves
Weight 149 kg (328 lb)
Front Brake Four-piston radial fixed calliper, brake disc
Rear Brake Single-piston floating calliper, brake disc
Seat Height 83 cm (32.7 in)
Front Tyre 110/70 17
Rear Tyre 150/60 17
Cooling Liquid Cooled
Front Suspension WP APEX 43
Rear Suspension WP APEX - Monoshock
Motorcycle Type Naked
Top Speed 170 km/h (106 mph)
Fuel Capacity 13.4 L (3.5 US gal)
Fuel Consumption 3.5 L/100 km (67.2 mpg US)
Prevalence of Service Network
Service Quality
Spare Parts Availability
Price $5,899
For Other Motorcycle Price Lists Click for KTM Price List

Spec-based reading of the KTM 390 DUKE as a Naked: focus on the numbers that match how you ride — power, weight, seat height, and fuel range — then verify with a dealer test ride.

Pros

  • Liquid cooling for more consistent heat management

Who is it for?

Best suited for street riders who want agile handling.

Commuting / city use

As a naked motorcycle, it suits agile street and back-road riding more than long touring comfort.

Highway / longer rides

Wind protection on long highway days depends on screens and rider preference.

Good for beginners?

Mid-range specs: suitability as a first bike depends on experience, training, and a proper test ride.

Seat height & rider fit

Seat height is about 830 mm (32.7 in) — mid-range, but personal fit still matters.

Fuel economy & range

Listed fuel use is about 3.5 L/100 km (~67.2 mpg US). With a ~13.4 L tank, theoretical range is around 383 km (real-world range varies).

Two-up riding

Two-up comfort depends on seat length, passenger pegs, and load capacity — check fit with a passenger before long trips.

Frequently asked questions

What is the top speed of the KTM 390 DUKE?

Our specification data lists 170 km/h (106 mph) for the KTM 390 DUKE.

How much horsepower does the KTM 390 DUKE have?

Listed power is 44 hp.

How much torque does the KTM 390 DUKE have?

Listed torque is 37 Nm.

What is the engine size of the KTM 390 DUKE?

Engine displacement is listed as 400 cc.

How much does the KTM 390 DUKE weigh?

Curb weight is listed at about 149 kg (328 lb).

What is the seat height of the KTM 390 DUKE?

Seat height is about 830 mm (32.7 in).

What is the fuel economy of the KTM 390 DUKE?

Listed consumption is about 3.5 L/100 km (about 67.2 mpg US).

What is the fuel range of the KTM 390 DUKE?

Theoretical range is around 383 km based on tank size and listed consumption; real-world range varies with riding style.

Is the KTM 390 DUKE liquid cooled?

Yes — it is listed as liquid-cooled.

How many cylinders does the KTM 390 DUKE have?

It is listed as a 1-cylinder engine.

Is the KTM 390 DUKE good for beginners?

Mid-range specs: suitability as a first bike depends on experience, training, and a proper test ride.

Is the KTM 390 DUKE good for commuting?

The KTM 390 DUKE can work well for everyday commuting, especially for riders who value manageable street handling and an upright riding position.

Is the KTM 390 DUKE good for highway riding?

With a listed top speed of 170 km/h, the KTM 390 DUKE has enough performance for typical highway speeds and overtaking. Long-distance comfort still depends on riding position, wind protection and rider preference.

Is the KTM 390 DUKE suitable for short riders?

Seat height is about 830 mm (32.7 in) — mid-range, but personal fit still matters.

Is the KTM 390 DUKE A2 licence friendly?

A2 licence fit depends on power and power-to-weight limits (≤35 kW and ≤0.2 kW/kg). Based on listed figures, it may exceed typical A2 limits unless a restricted kit version exists.

What are the pros of the KTM 390 DUKE?

Liquid cooling for more consistent heat management.

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