The Moto Ref

KTM 790 Duke vs Triumph Trident 660

Two naked bikes scored on the same 100-point system: specs side by side, points per category and a verdict that commits.

KTM

790 Duke

61.9

/ 100

Winner

vs

Triumph

Trident 660

54.6

/ 100

0 to 100 km/h

Estimated from power to weight, not a measured time.

0.00 s

KTM 790 Duke0 km/h- s
790 Duke
Triumph Trident 6600 km/h- s
Trident 660

Points by category

Six categories, 100 points. How every point is calculated

Engine and performance

out of 25
790 Duke
21.4
Trident 660
7.4

Handling and chassis

out of 20
790 Duke
13.2
Trident 660
9.6

Value

out of 20
790 Duke
7.0
Trident 660
14.3

Practicality

out of 15
790 Duke
5.4
Trident 660
6.4

Technology

out of 10
790 Duke
8.3
Trident 660
10.0

Reliability and ownership

out of 10
790 Duke
6.6
Trident 660
6.9

Specs side by side

Full specification comparison: KTM 790 Duke versus Triumph Trident 660
SpecKTM790 DukeTriumphTrident 660
Engine
EngineLC8c parallel twin, liquid cooled, DOHCInline triple, liquid cooled, DOHC
Displacement799 cc660 cc
Power95 hp at 9,500 rpm81 hp at 10,250 rpm
Torque87 Nm at 8,000 rpm64 Nm at 6,250 rpm
Power to weight0.52 hp/kg0.43 hp/kg
Chassis
Wet weight184 kg190 kg
Front suspensionWP APEX 43 mm open cartridge, 140 mmShowa 41 mm SFF-BP inverted, 120 mm
Front adjustabilityNon-adjustableNon-adjustable
Rear suspensionWP APEX monoshock, 150 mmShowa monoshock, 133 mm
Rear adjustabilityPreload onlyPreload only
Front brake300 mm, radial 4-piston310 mm, axial 2-piston
ABSCornering ABSCornering ABS
Dimensions
Seat height825 mm805 mm
Wheelbase1475 mm1401 mm
Fuel capacity14 L14 L
Claimed consumption4.5 L/100 km4.7 L/100 km
Fuel range311 km298 km
Ownership
Price€8,999€8,295
Service interval15,000 km16,000 km
Valve check30,000 km32,000 km
Warranty2 years2 years
Equipment
DashTFTTFT
Ride modesYesYes
Traction controlYesYes
QuickshifterOptionalStandard
Cruise controlNot availableStandard
ConnectivityYesYes

Verdict

The KTM 790 Duke wins this comparison clearly, 61.9 points to 54.6.

The gap of 7.3 points is built mostly in engine and performance, where the 790 Duke takes 14 points out of the Trident 660. Scores are computed within each bike's class from published spec data; the full formula is on the methodology page.

On the road the 790 Duke is the quicker machine: 95 hp and 87 Nm moving 184 kg, against 81 hp and 64 Nm moving 190 kg for the Trident 660. That is 0.52 hp per kilo playing 0.43.

The Trident 660 costs €8,295, which leaves €704 in your pocket against the 790 Duke at €8,999. Service intervals run 16,000 km on the Trident 660 and 15,000 km on the 790 Duke.

Better for city and commuting

Triumph Trident 660

A 805 mm seat, 298 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 790 Duke

95 hp pushing 184 kg with WP APEX 43 mm open cartridge up front. It takes the combined engine and handling points.

Better for longer trips

Triumph Trident 660

298 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 790 Duke or the Triumph Trident 660?
The KTM 790 Duke. It carries 0.52 hp per kilo (95 hp, 184 kg wet) against 0.43 hp per kilo for the Triumph Trident 660 (81 hp, 190 kg).
Is the KTM 790 Duke cheaper than the Triumph Trident 660?
The Triumph Trident 660 is cheaper at €8,295 list, €704 less than the KTM 790 Duke at €8,999.
Which is better for shorter riders?
The Triumph Trident 660. Its 805 mm seat is 20 mm lower than the KTM 790 Duke, and at 190 kg it is the easier bike to manage at a stop.
Which has better technology, the 790 Duke or the Trident 660?
The Triumph Trident 660, which scores 10 of 10 tech points with cornering ABS, a TFT dash, traction control, a standard quickshifter, cruise control and phone connectivity. The KTM 790 Duke counters with cornering ABS, a TFT dash, traction control and phone connectivity.
Which goes further on a tank?
The KTM 790 Duke: 311 km from its 14 litre tank at the claimed consumption, against 298 km for the Triumph Trident 660.
Which bike wins overall?
The KTM 790 Duke, scoring 61.9 of 100 against 54.6 on our within-class points system. The full breakdown and formula are public on the methodology page.

Dig into each bike

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