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Head to head

Suzuki GSX-8S vs KTM 990 Duke

Specs side by side, plus our verdict on which one is the smarter buy for the way you ride.

The Suzuki GSX-8S and KTM 990 Duke are among the most cross-shopped naked bikes of 2026. The Suzuki GSX-8S undercuts the KTM 990 Duke by about $3,500, so value is squarely on the table. On paper the KTM 990 Duke leads on power with 123 hp. Below we put them head to head on price, performance, weight and seat height, then give our verdict on which one is the smarter buy for the way you ride.

Suzuki GSX-8S
Our pick
8.5

Suzuki

Suzuki GSX-8S
KTM 990 Duke
8.3

KTM

KTM 990 Duke

The verdict

The Suzuki GSX-8S edges it overall at 8.5/10, but the KTM 990 Duke wins on most exciting, so let how you ride decide.

Best for new riders

Suzuki GSX-8S

81 hp.

Most exciting

KTM 990 Duke

123 hp and 0.65 hp/kg, the strongest here.

Best value

Suzuki GSX-8S

Our 8.5/10 at $8,999, the most bike per dollar.

Easiest to manage

KTM 990 Duke

188 kg with an 825 mm seat, the easiest to throw around.

Highest rated

Suzuki GSX-8S

Our top score in this matchup at 8.5/10.

Price & rating
Price$8,999$12,499
KickTheStand score8.5 / 108.3 / 10
Performance
Engine776cc twin947cc twin
Power81 hp123 hp
Torque78 Nm103 Nm
Power-to-weight0.40 hp/kg0.65 hp/kg
Chassis & brakes
Front suspension41mm KYB USD fork43mm WP Apex USD fork
Rear suspensionMonoshockWP Apex monoshock
Front brakesDual 310mm discs, Nissin 4-pistonDual 300mm discs, radial 4-piston
Rear brakesSingle 240mm discSingle 240mm disc
Dimensions & practicality
Weight202 kg188 kg
Seat height810 mm825 mm
Fuel capacity14 L14.8 L
Suitability
ClassNakedNaked
A2 licenceNoNo
Good for beginnersNoNo
Best forsport, commutingsport, track, commuting

Cyan marks the best figure in each row. Specs are the most-cited for the current model; verify before relying on them.

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Suzuki GSX-8S vs KTM 990 Duke: your questions answered

Which is faster, the Suzuki GSX-8S or the KTM 990 Duke?

The KTM 990 Duke makes the most power at 123 hp and 103 Nm, giving it the edge on outright performance.

Which is cheaper, the Suzuki GSX-8S or the KTM 990 Duke?

The Suzuki GSX-8S is the most affordable here with an MSRP around $8,999.

Which is lighter, the Suzuki GSX-8S or the KTM 990 Duke?

The KTM 990 Duke is the lightest at 188 kg, which makes it the easiest to manage at low speed and in the bends.

Which is better for a beginner, the Suzuki GSX-8S or the KTM 990 Duke?

For a new rider we'd point to the Suzuki GSX-8S: 81 hp and 202 kg make it the most approachable of the group.

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