The Indian performance motorcycling segment has seen a strategic shift as brands downsize engines to 350cc to benefit from lower GST slabs. Both the Bajaj NS400Z and the KTM 390 Duke now feature updated 350cc powerplants. While they share a similar displacement, they offer vastly different value propositions.
Here is how these two streetfighters stack up against each other.
Engine and Performance
Both motorcycles have moved to liquid-cooled, single-cylinder engines just under the 350cc mark to optimize tax efficiency, but the KTM maintains a slight performance advantage.
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Bajaj NS400Z: It utilizes a new 349.13cc engine (shared with the updated Dominar 400). It produces 40 hp at 9,000 rpm and 33.2 Nm of torque at 7,500 rpm.
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KTM 390 Duke: Its new 350cc mill delivers 41.5 hp and 33.5 Nm of torque. While the gap has narrowed compared to previous generations, the Duke remains the punchier option.
Features and Electronics
This is where the premium positioning of the KTM becomes evident, though the Bajaj is well-equipped for its price point.
| Feature | Bajaj NS400Z | KTM 390 Duke (350cc) |
| Display | Digital with Bluetooth | 5-inch TFT Dash |
| Ride Modes | Road, Rain, Sport, Offroad | Street, Rain, Track Screen |
| Safety Tech | ABS Modes, Traction Control | Cornering ABS, SuperMoto ABS, MTC |
| Performance Aids | 4-way Selection Switch | Quickshifter+, Launch Control, Ride-by-wire |
| Charging | Standard | Type-C Port |
Hardware and Dimensions
The KTM is lighter and offers more ground clearance, while the Bajaj provides a slightly more accessible seat height and a familiar perimeter frame feel.
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Suspension: Both feature 43 mm USD front forks. The Bajaj uses a 6-step adjustable Nitrox rear monoshock, while the KTM features a high-performance braking setup with a 320 mm front disc and radial calipers.
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Weight & Fuel: The KTM is significantly lighter at 168.3 kg (kerb) with a larger 15-litre tank. The Bajaj weighs 174 kg and carries 12 litres of fuel.
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Ground Clearance: The KTM is more “speed-bump friendly” with 183 mm of clearance compared to the Bajaj’s 168 mm.
Price Comparison (Ex-Showroom)
Price is the most significant differentiator between these two machines.
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Bajaj NS400Z: Rs 1.94 Lakh.
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KTM 390 Duke (350cc): Rs 2.77 Lakh.
The Verdict
The Bajaj NS400Z is positioned as a disruptor, offering nearly 40 hp and a solid electronics suite for under Rs 2 lakh. It is the ideal choice for riders looking for maximum “performance-per-rupee.”
The KTM 390 Duke remains the choice for enthusiasts who want a more sophisticated package. For the premium of Rs 83,000, you get a lighter chassis, more advanced electronics like Cornering ABS and a Quickshifter, and a more prestigious brand identity. Notably, this 350cc Duke is also Rs 62,000 more affordable than its “R” counterpart, making it a more accessible entry into the world of high-performance Duke’s.
