2026 KTM 390 Duke vs 2026 Yamaha MT-03 - 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 Yamaha MT-03
The 2026 Yamaha MT-03 is an accessible 321cc naked bike designed for new and intermediate riders seeking an agile, confidence-inspiring platform. Its parallel-twin engine delivers smooth, manageable power with a lightweight frame, making it ideal for urban commuting and spirited weekend riding. Known for its approachable performance and affordability, the MT-03 excels at teaching proper riding fundamentals.
2026 KTM 390 Duke vs 2026 Yamaha MT-03: the key differences
Both are naked bikes, so this is a like-for-like choice.
- The 2026 KTM 390 Duke makes 2.4 hp more (44.4 vs 42 hp).
- The 2026 KTM 390 Duke has 9.4 Nm more torque (39 vs 29.6 Nm).
- The 2026 Yamaha MT-03 has a 40 mm lower seat (780 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 Yamaha MT-03: It's designed primarily for commuting, city riding, and learning the fundamentals of naked-sportbike handling and light cornering.
Verdict: Choose the 2026 KTM 390 Duke if you want more power and more torque. Choose the 2026 Yamaha MT-03 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 Yamaha MT-03 |
|---|---|---|
| Other | ||
| Category | Naked | Naked |
| Color Options | - | Team Yamaha Blue, Ice Storm, Matte Stealth Black |
| Comments | - | LCD meter provides easy-to-absorb information. |
| Engine | ||
| Capacity: | 398.7 ccm (24.33 cubic inches) | 321.0 ccm (19.59 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 | Parallel Twin, four-stroke |
| Bore x Stroke | 89.0 x 60.0 mm (3.5 x 2.4 inches) | 68.0 x 44.1 mm (2.7 x 1.7 inches) |
| Cooling System | Liquid | Liquid |
| Fuel System | Injection | Injection |
| Starting | Electric | Electric |
| Aspiration | Naturally aspirated | - |
| Valves Per Cylinder | 4 | 4 |
| Fuel Consumption | - | 4.20 litres/100 km (23.8 km/l or 56.00 mpg) |
| Compression | - | 11.2:1 |
| Ignition | - | TCI |
| Lubrication System | - | Wet sump |
| Performance | ||
| Power | ✓44.4 HP (33.0 kW) @ 8500 RPM | 42.0 HP (30.7 kW) @ 10750 RPM |
| Torque | ✓39.0 Nm (4.0 kgf-m or 28.8 ft.lbs) | 29.6 Nm (3.0 kgf-m or 21.8 ft.lbs) @ 9000 RPM |
| Power/Weight Ratio | 0.2980 HP/kg (dry) | 0.2482 HP/kg (wet) |
| 0-60 mph | - | 5.00 seconds |
| 0-100 km/h (0-62 mph) | - | 5.40 seconds |
| Chassis & suspension | ||
| Frame | Steel trellis frame, powder coated | Diamond Tubular |
| Front Suspension | WP APEX 43 | KYB inverted forks, Ø37.0 mm inner tube |
| Rear Suspension | WP Suspension | Single shock; 7-step preload adjustable |
| Front Wheel Travel | 150 mm (5.9 inches) | 130 mm (5.1 inches) |
| Rear Wheel Travel | 150 mm (5.9 inches) | 125 mm (4.9 inches) |
| Rake (fork angle) | - | 25.0° |
| Trail | - | 95 mm (3.7 inches) |
| Ground Clearance | - | 160 mm (6.3 inches) |
| Transmission | ||
| Gearbox | 6-speed | 6-speed |
| Transmission Type | Manual | Manual |
| Final Drive | Chain | Chain |
| Clutch | Wet multi-disc clutch / mechanically operated | Multiplate wet |
| Brakes & wheels | ||
| Front Brakes | Four-piston radial fixed calliper | Single disc. ABS |
| Front Brakes Diameter | 320 mm (12.6 inches) | 298 mm (11.7 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-R17 |
| Rear Tyre | - | 140/70-R17 |
| Dimensions & weight | ||
| Wheelbase | 1357 mm (53.4 inches) | 1380 mm (54.3 inches) |
| Seat Height | 820 mm (32.3 inches) | ✓780 mm (30.7 inches) |
| Dry weight | 149.0 kg (328.5 pounds) | - |
| Wet Weight | ✓165.0 kg (363.8 pounds) | 169.2 kg (373.0 pounds) |
| Fuel Capacity | 13.40 litres (3.54 US gallons) | ✓14.00 litres (3.70 US gallons) |
| Overall Length | - | 2090 mm (82.3 inches) |
| Overall Width | - | 754 mm (29.7 inches) |
| Overall Height | - | 1069 mm (42.1 inches) |
| Oil capacity | - | 2.40 litres (2.54 US quarts) |
"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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How the highlighting works, and its limits
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