The Moto Ref

KTM 390 Duke vs KTM RC 390

Naked versus supersport: different jobs, one garage space. Each bike is scored within its own class, the specs sit side by side, and the verdict still commits.

KTM

390 Duke

66.6

/ 100

Winner

vs

KTM

RC 390

56.7

/ 100

0 to 100 km/h

Estimated from power to weight, not a measured time.

0.00 s

KTM 390 Duke0 km/h- s
390 Duke
KTM RC 3900 km/h- s
RC 390

Points by category

Six categories, 100 points. How every point is calculated

Engine and performance

out of 25
390 Duke
20.8
RC 390
6.3

Handling and chassis

out of 20
390 Duke
14.9
RC 390
14.3

Value

out of 20
390 Duke
7.8
RC 390
13.3

Practicality

out of 15
390 Duke
9.0
RC 390
7.5

Technology

out of 10
390 Duke
8.3
RC 390
8.3

Reliability and ownership

out of 10
390 Duke
5.8
RC 390
7.0

Specs side by side

Full specification comparison: KTM 390 Duke versus KTM RC 390
SpecKTM390 DukeKTMRC 390
Engine
EngineSingle cylinder, liquid cooled, DOHCSingle cylinder, liquid cooled, DOHC
Displacement398.7 cc373.2 cc
Power45 hp at 8,500 rpm44 hp at 9,000 rpm
Torque39 Nm at 7,000 rpm37 Nm at 7,000 rpm
Power to weight0.27 hp/kg0.26 hp/kg
Chassis
Wet weight165 kg172 kg
Front suspensionWP APEX 43 mm open cartridge, 150 mmWP APEX 43 mm open cartridge, 120 mm
Front adjustabilityCompression and reboundCompression and rebound
Rear suspensionWP APEX monoshock, 150 mmWP APEX monoshock, 150 mm
Rear adjustabilityPreload and reboundPreload and rebound
Front brake320 mm, radial 4-piston320 mm, radial 4-piston
ABSCornering ABSCornering ABS
Dimensions
Seat height820 mm835 mm
Wheelbase1476 mm1355 mm
Fuel capacity15 L13.7 L
Claimed consumption3.5 L/100 km3.4 L/100 km
Fuel range429 km403 km
Ownership
Price€6,299€6,899
Service interval10,000 km10,000 km
Valve check20,000 km20,000 km
Warranty2 years2 years
Equipment
DashTFTTFT
Ride modesYesYes
Traction controlYesYes
QuickshifterOptionalOptional
Cruise controlNot availableNot available
ConnectivityYesYes

Verdict

The KTM 390 Duke wins this comparison clearly, 66.6 points to 56.7.

The gap of 9.9 points is built mostly in engine and performance, where the 390 Duke takes 14.5 points out of the RC 390. Scores are computed within each bike's class from published spec data; the full formula is on the methodology page.

On the road the 390 Duke is the quicker machine: 45 hp and 39 Nm moving 165 kg, against 44 hp and 37 Nm moving 172 kg for the RC 390. That is 0.27 hp per kilo playing 0.26.

The 390 Duke costs €6,299, which leaves €600 in your pocket against the RC 390 at €6,899. Service intervals run 10,000 km on the 390 Duke and 10,000 km on the RC 390.

Better for city and commuting

KTM RC 390

A 835 mm seat, 403 km of tank range and the stronger practicality and value scores make it the easier bike to live with daily.

Better for weekend twisties

KTM 390 Duke

45 hp pushing 165 kg with WP APEX 43 mm open cartridge up front. It takes the combined engine and handling points.

Better for longer trips

KTM 390 Duke

429 km between fuel stops and the better equipment score. Distance rewards range and rider aids, and it has more of both.

Frequently asked

Which is faster, the KTM 390 Duke or the KTM RC 390?
The KTM 390 Duke. It carries 0.27 hp per kilo (45 hp, 165 kg wet) against 0.26 hp per kilo for the KTM RC 390 (44 hp, 172 kg).
Is the KTM 390 Duke cheaper than the KTM RC 390?
The KTM 390 Duke is cheaper at €6,299 list, €600 less than the KTM RC 390 at €6,899.
Which is better for shorter riders?
The KTM 390 Duke. Its 820 mm seat is 15 mm lower than the KTM RC 390, and at 165 kg it is the easier bike to manage at a stop.
Which has better technology, the 390 Duke or the RC 390?
The KTM 390 Duke, which scores 8.3 of 10 tech points with cornering ABS, a TFT dash, traction control and phone connectivity. The KTM RC 390 counters with cornering ABS, a TFT dash, traction control and phone connectivity.
Which goes further on a tank?
The KTM 390 Duke: 429 km from its 15 litre tank at the claimed consumption, against 403 km for the KTM RC 390.
Which bike wins overall?
The KTM 390 Duke, scoring 66.6 of 100 against 56.7 on our within-class points system. The full breakdown and formula are public on the methodology page.

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