Skip to content
Throttle
2021 KTM 390 Duke — photo 1 of 12
1 / 12

Specs

New or used
Used
Availability
In stock
Colour
Orange/Black
Available colours
Grey WhiteManufacturer spec
Horsepower
42.91 hpManufacturer specDealer: 32 kW
Displacement
373 ccManufacturer spec
Cylinders
1Manufacturer specDealer: Single
Engine cycle
Four-strokeManufacturer specDealer: 4-stroke
Cooling
Liquid-cooledManufacturer specDealer: Liquid
Transmission
ManualManufacturer specDealer: 6-speed
Mileage
8,557 mi
Model code
390DUKE
VIN
MD2JPJ406MC244203
Stock #
29308
All details from the dealer (13)
Badge
On Sale
Model Type
Sport

Brakes/Wheels/Tires

Brakes
Front - 320 mm disc, diameter Rear - 230 mm disc, diameter ABS - Bosch 9.1MP Two Channel ABS (Supermoto ABS)Manufacturer spec

Drivetrain

Chain
520 X-RingManufacturer spec

Engine

Bore x Stroke
89 x 60 mmManufacturer spec
Clutch
Wet multi-disc, hydraulically actuatedManufacturer spec
Fuel System
Bosch EMS with RBWManufacturer spec
Starting
ElectricManufacturer spec
Lubrication
Wet sumpManufacturer spec

Operational

Frame
Steel trellis, powder coatedManufacturer spec
Front Suspension
WP APEX 43Manufacturer spec
Rear Suspension
WP APEX - MonoshockManufacturer spec
Rake
65°Manufacturer spec

From the dealer's page

The KTM 390 DUKE is a pure example of what draws so many to the thrill of street motorcycling. This Corner Rocket maximizes enjoyment and user value, taking the honors wherever nimble handling counts. Light as a feather, powerful and packed with state-of-the-art technology, it guarantees a thrilling ride, whether you're fighting your way through the urban jungle or carving your name into a forest of bends.

Price history

Tracked since Oct 10, 2026 · last checked 1h ago

Price details as printed by the dealer

  1. On Sale$3,995

Throttle does not add these up.

Not enough observations yet — the chart appears after the second crawl of this listing.

Timeline

  1. First seen

    Oct 10, 2026

Market context

Comp set: 2019–2023 KTM 390 Duke · 5 listings

Median asking
$4,673
across 5 comparable listings
This one
$3,995
-14.5% vs median
Days on market
New to Throttle
none have left dealer sites yet
Left dealer sites
—
none yet
Throttle+

Deal reasons — where this asking price sits against similar listings, with the sample behind it

How Throttle+ will work →