2026 KTM 390 Duke vs 2026 Bajaj Dominar 400 - Spec Comparison
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2026 KTM 390 Duke
The 2026 KTM 390 Duke is an agile, lightweight naked bike engineered for beginner to intermediate riders seeking thrilling urban performance and weekend adventures. Its punchy 398cc single-cylinder engine delivers 45 PS with responsive handling courtesy of the WP APEX suspension and steel trellis frame, making it an accessible gateway into spirited motorcycling.
2026 Bajaj Dominar 400
The 2026 Bajaj Dominar 400 is a muscular naked bike for riders who want strong single-cylinder performance and long-distance comfort at an affordable price. Its 349cc liquid-cooled engine makes 40 hp and 33.2 Nm, with an 800 mm seat and a 13-litre tank.
2026 KTM 390 Duke vs 2026 Bajaj Dominar 400: the key differences
Both are naked bikes, so this is a like-for-like choice.
- The 2026 KTM 390 Duke makes 4.4 hp more (44.4 vs 40 hp).
- The 2026 KTM 390 Duke has 5.8 Nm more torque (39 vs 33.2 Nm).
- The 2026 KTM 390 Duke is 28 kg lighter (165 vs 193 kg).
- The 2026 Bajaj Dominar 400 has a 20 mm lower seat (800 vs 820 mm), which helps shorter riders.
2026 KTM 390 Duke: Built primarily as a nimble city and canyon-carving streetfighter rather than a long-distance or off-road machine.
2026 Bajaj Dominar 400: Designed for mixed commuting and weekend sport-touring duty rather than outright performance or racing.
Verdict: Choose the 2026 KTM 390 Duke if you want more power, more torque and lighter weight. Choose the 2026 Bajaj Dominar 400 if you want a lower seat. Check the full table below for every figure, and the size comparison for fit.
| Specification | 2026 KTM 390 Duke | 2026 Bajaj Dominar 400 |
|---|---|---|
| Other | ||
| Category | Naked | Naked |
| Color Options | - | Aurora Green, Charcoal Black |
| Comments | - | Windscreen. Sold in India. |
| Engine | ||
| Capacity: | 398.7 ccm (24.33 cubic inches) | 349.1 ccm (21.30 cubic inches) |
| CO2 Emissions | 95 CO2 g/km | - |
| EPA Certificate No. | TKTXC.399FOI-006 | - |
| EPA Est. Fuel Consumption | 4.04 L/100km (58.2 US mpg) | - |
| EPA CO Emissions | 0.4 CO g/km | - |
| Engine Type | Single, four-stroke | Single, four-stroke |
| Bore x Stroke | 89.0 x 60.0 mm (3.5 x 2.4 inches) | - |
| Cooling System | Liquid | Liquid |
| Fuel System | Injection | Injection |
| Starting | Electric | Electric |
| Aspiration | Naturally aspirated | - |
| Valves Per Cylinder | 4 | 4 |
| Performance | ||
| Power | ✓44.4 HP (33.0 kW) @ 8500 RPM | 40.0 HP (29.4 kW) @ 9000 RPM |
| Torque | ✓39.0 Nm (4.0 kgf-m or 28.8 ft.lbs) | 33.2 Nm (3.4 kgf-m or 24.5 ft.lbs) @ 7500 RPM |
| Power/Weight Ratio | 0.2980 HP/kg (dry) | 0.2073 HP/kg (wet) |
| Chassis & suspension | ||
| Frame | Steel trellis frame, powder coated | Beam type perimeter |
| Front Suspension | WP APEX 43 | Telescopic, 43 mm USD Fork |
| Rear Suspension | WP Suspension | Multi-step adjustable Mono shock with Nitrox |
| Front Wheel Travel | 150 mm (5.9 inches) | 135 mm (5.3 inches) |
| Rear Wheel Travel | 150 mm (5.9 inches) | 110 mm (4.3 inches) |
| Ground Clearance | - | 157 mm (6.2 inches) |
| Transmission | ||
| Gearbox | 6-speed | 6-speed |
| Transmission Type | Manual | Manual |
| Final Drive | Chain | Chain |
| Clutch | Wet multi-disc clutch / mechanically operated | Wet, Multiplate with Assist and Slipper Clutch |
| Brakes & wheels | ||
| Front Brakes | Four-piston radial fixed calliper | Single disc. ABS. |
| Front Brakes Diameter | 320 mm (12.6 inches) | 320 mm (12.6 inches) |
| Rear Brakes | Single disc. Brembo. ABS. | Single disc. ABS. |
| Rear Brakes Diameter | 240 mm (9.4 inches) | - |
| ABS | Yes | Yes |
| Front Tyre | - | 110/70-17 |
| Rear Tyre | - | 150/60-17 |
| Dimensions & weight | ||
| Wheelbase | 1357 mm (53.4 inches) | 1453 mm (57.2 inches) |
| Seat Height | 820 mm (32.3 inches) | ✓800 mm (31.5 inches) |
| Dry weight | 149.0 kg (328.5 pounds) | - |
| Wet Weight | ✓165.0 kg (363.8 pounds) | 193.0 kg (425.5 pounds) |
| Fuel Capacity | ✓13.40 litres (3.54 US gallons) | 13.00 litres (3.43 US gallons) |
| Overall Length | - | 2156 mm (84.9 inches) |
| Overall Width | - | 863 mm (34.0 inches) |
| Overall Height | - | 1243 mm (48.9 inches) |
"Best" (✓) reflects that single spec only, not overall suitability - a bike can win on paper and still be the wrong choice for you. Ties are all marked; specs with no clear better/worse direction (e.g. displacement, wheel size) are never marked, only tinted where bikes differ.
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About this comparison tool
This tool puts up to four motorcycles side by side across their full specification sheets, drawn from a database of 43,000+ models and 1.60M+ individual specifications. Wherever a spec has a clear "better" direction - more power, less weight - the strongest figure in that row is highlighted automatically.
How to use it
Pick a make, model and year for each bike; the model and year lists update to match what you've selected. Two bikes are enough - use "Add another bike" for a third or fourth. Comparisons work across model years too, so you can compare a bike against its own earlier generation. Once you're happy with the lineup, use "Copy share link" to send it to someone else.
What gets compared
Specs are pulled from the same categories used throughout the site: engine and transmission (capacity, power, torque, gearbox), physical measures (weight, seat height, fuel and tank capacity), frame and dimensions, speed and acceleration, and brakes, suspension, frame and wheels (including tyres) - plus general information and maintenance data where it's on record for a bike.
How the highlighting works, and its limits
A highlighted cell means one bike has the clearly better raw number for that spec - more power, less weight, and so on. Fields where "better" genuinely depends on the rider - seat height above all - are deliberately never highlighted: a lower seat isn't automatically the right choice, it's a fit question only you can answer. Winning a row also isn't the same as winning the comparison - a bike can lead on paper in half the rows and still be the wrong bike for you.
Frequently asked questions
Can I compare bikes from different categories, like a scooter against a superbike?
Yes - the tool doesn't restrict what you compare, though a highlighted spec means less when the two bikes aren't really doing the same job.
What happens if a spec is missing for one of the bikes?
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Are older model years included?
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