The Moto Ref

Suzuki GSX-8S 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.

Suzuki

GSX-8S

42.5

/ 100

vs

Triumph

Trident 660

54.6

/ 100

Winner

0 to 100 km/h

Estimated from power to weight, not a measured time.

0.00 s

Suzuki GSX-8S0 km/h- s
GSX-8S
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
GSX-8S
9.7
Trident 660
7.4

Handling and chassis

out of 20
GSX-8S
6.7
Trident 660
9.6

Value

out of 20
GSX-8S
4.6
Trident 660
14.3

Practicality

out of 15
GSX-8S
8.9
Trident 660
6.4

Technology

out of 10
GSX-8S
6.8
Trident 660
10.0

Reliability and ownership

out of 10
GSX-8S
5.8
Trident 660
6.9

Specs side by side

Full specification comparison: Suzuki GSX-8S versus Triumph Trident 660
SpecSuzukiGSX-8STriumphTrident 660
Engine
EngineParallel twin 270 degree, liquid cooled, DOHCInline triple, liquid cooled, DOHC
Displacement776 cc660 cc
Power82.9 hp at 8,500 rpm81 hp at 10,250 rpm
Torque78 Nm at 6,800 rpm64 Nm at 6,250 rpm
Power to weight0.41 hp/kg0.43 hp/kg
Chassis
Wet weight202 kg190 kg
Front suspensionKYB 41 mm inverted, 130 mmShowa 41 mm SFF-BP inverted, 120 mm
Front adjustabilityNon-adjustableNon-adjustable
Rear suspensionKYB monoshock, 130 mmShowa monoshock, 133 mm
Rear adjustabilityPreload onlyPreload only
Front brake310 mm, radial 4-piston310 mm, axial 2-piston
ABSStandard ABSCornering ABS
Dimensions
Seat height810 mm805 mm
Wheelbase1465 mm1401 mm
Fuel capacity14 L14 L
Claimed consumption4.2 L/100 km4.7 L/100 km
Fuel range333 km298 km
Ownership
Price€8,990€8,295
Service interval12,000 km16,000 km
Valve check24,000 km32,000 km
Warranty2 years2 years
Equipment
DashTFTTFT
Ride modesYesYes
Traction controlYesYes
QuickshifterStandardStandard
Cruise controlNot availableStandard
ConnectivityNoYes

Verdict

The Triumph Trident 660 wins this comparison comfortably, 54.6 points to 42.5.

The gap of 12.1 points is built mostly in value, where the Trident 660 takes 9.7 points out of the GSX-8S. Scores are computed within each bike's class from published spec data; the full formula is on the methodology page.

On the road the Trident 660 is the quicker machine: 81 hp and 64 Nm moving 190 kg, against 82.9 hp and 78 Nm moving 202 kg for the GSX-8S. That is 0.43 hp per kilo playing 0.41.

The Trident 660 costs €8,295, which leaves €695 in your pocket against the GSX-8S at €8,990. Service intervals run 16,000 km on the Trident 660 and 12,000 km on the GSX-8S.

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

Triumph Trident 660

81 hp pushing 190 kg with Showa 41 mm SFF-BP inverted 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 Suzuki GSX-8S or the Triumph Trident 660?
The Triumph Trident 660. It carries 0.43 hp per kilo (81 hp, 190 kg wet) against 0.41 hp per kilo for the Suzuki GSX-8S (82.9 hp, 202 kg).
Is the Suzuki GSX-8S cheaper than the Triumph Trident 660?
The Triumph Trident 660 is cheaper at €8,295 list, €695 less than the Suzuki GSX-8S at €8,990.
Which is better for shorter riders?
The Triumph Trident 660. Its 805 mm seat is 5 mm lower than the Suzuki GSX-8S, and at 190 kg it is the easier bike to manage at a stop.
Which has better technology, the GSX-8S 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 Suzuki GSX-8S counters with a TFT dash, traction control and a standard quickshifter.
Which goes further on a tank?
The Suzuki GSX-8S: 333 km from its 14 litre tank at the claimed consumption, against 298 km for the Triumph Trident 660.
Which bike wins overall?
The Triumph Trident 660, scoring 54.6 of 100 against 42.5 on our within-class points system. The full breakdown and formula are public on the methodology page.

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