KTM 990 Duke vs KTM 390 Duke
Specs side by side, plus our verdict on which one is the smarter buy for the way you ride.
The KTM 990 Duke and KTM 390 Duke are among the most cross-shopped naked bikes of 2026. The KTM 390 Duke undercuts the KTM 990 Duke by about $6,600, 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.
Our pickKTM
KTM 990 Duke
KTM
KTM 390 DukeThe verdict
The KTM 990 Duke edges it overall at 8.3/10, but the KTM 390 Duke wins on best for new riders, so let how you ride decide.
KTM 390 Duke
A2-legal, 44 hp, forgiving to learn on.
KTM 990 Duke
123 hp and 0.65 hp/kg, the strongest here.
KTM 390 Duke
Our 8/10 at $5,899, the most bike per dollar.
KTM 390 Duke
168 kg with an 820 mm seat, the easiest to throw around.
KTM 990 Duke
Our top score in this matchup at 8.3/10.
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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KTM 990 Duke vs KTM 390 Duke: your questions answered
Which is faster, the KTM 990 Duke or the KTM 390 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 KTM 990 Duke or the KTM 390 Duke?
The KTM 390 Duke is the most affordable here with an MSRP around $5,899.
Which is lighter, the KTM 990 Duke or the KTM 390 Duke?
The KTM 390 Duke is the lightest at 168 kg, which makes it the easiest to manage at low speed and in the bends.
Which is better for a beginner, the KTM 990 Duke or the KTM 390 Duke?
For a new rider we'd point to the KTM 390 Duke: A2-legal, 44 hp and 168 kg make it the most approachable of the group.
