
2024 KTM 390 Duke VS 2024 Triumph Speed 400 Comparison
The 2024 KTM 390 Duke and the Triumph Speed 400 stand as strong contenders in the sub-400cc naked motorcycle segment, each offering a unique blend of performance, design, and features to appeal to different rider preferences.
The 2024 KTM 390 Duke also known as the 3rd gen 390 Duke is powered by a 399 cc liquid-cooled, single-cylinder, DOHC engine, delivering an impressive 44 hp at 8,500 rpm and 39 Nm of torqueat 6,500 rpm. This engine is mated to a 6-speed gearbox featuring a slipper clutch and a bi-directional quick-shifter, ensuring smooth and precise gear shifts. The 390 Duke’s aggressive design is underpinned by KTM’s new steel trellis frame with an aluminum subframe, contributing to its lightweight and sharp handling dynamics. Suspension duties are handled by WP Apex 43 mm preload-adjustable USD forks with 150 mm of travel and a preload-adjustable monoshock. A 5-inch full-color TFT display offers smartphone connectivity, turn-by-turn navigation, and riding modes, while advanced features like cornering ABS, supermoto mode, and lean-sensitive traction control enhance rider safety and confidence. The bike rides on 17-inch alloy wheels wrapped in Metzeler Sportec M5 tires, ensuring excellent grip.

On the other hand, the Triumph Speed 400 is equipped with a 398 cc liquid-cooled, single-cylinder TR-series engine that generates 40 hp at 8,000 rpm and 37.5 Nm of torque at 6,500 rpm. While slightly less powerful than the KTM, the Speed 400 compensates with its smooth power delivery and accessible torque curve, making it ideal for a broad range of riders. The engine pairs with a 6-speed gearbox featuring a slip-and-assist clutch, providing a forgiving and comfortable ride experience. Its design combines retro elements, such as a round headlamp and teardrop-shaped fuel tank, with modern touches like LED lighting and a semi-digital instrument cluster. Suspension comprises 43 mm USD forks with 140 mm of travel and a preload-adjustable monoshock, tuned for a balance of sporty handling and everyday comfort. The Speed 400 also includes switchable traction control, dual-channel ABS, and an integrated immobilizer for added safety and convenience. It rides on 17-inch wheels with Apollo H1 Radial tires, prioritizing road stability and long-lasting durability.

In terms of riding posture, the KTM adopts an aggressive stance with rear-set footpegs and a sharp tank design, appealing to enthusiasts who enjoy spirited rides. In contrast, the Triumph offers a more upright and relaxed riding position, catering to those who value comfort and style during urban commutes or long-distance rides.
The KTM 390 Duke stands out with its raw performance, cutting-edge electronics, and tech-laden features, making it a choice for thrill-seekers. Meanwhile, the Triumph Speed 400 strikes a balance between nostalgic design and modern engineering, offering a versatile, refined, and approachable riding experience for diverse riders. Ultimately, the decision boils down to whether you prioritize high-performance edge and features or a well-rounded, stylish package with an emphasis on usability.
Summary
- The KTM 390 Duke is sportier, with higher power, adjustable suspension, and multiple riding modes, making it ideal for enthusiasts seeking a dynamic ride.
- The Triumph Speed 400 offers a retro-modern aesthetic, smooth power delivery, and a more accessible setup, catering to those who prefer a refined and practical experience.
Choose based on your preference for performance-oriented sportiness (KTM) or balanced, retro-modern practicality (Triumph).
| 2024 KTM 390 Duke | 2024 Triumph Speed 400 | |
|---|---|---|
| Engine | Single Cylinder, Liquid Cooled, DOHC, FI Engine | liquid-cooled, fuel-injected single-cylinder engine, TR Series Engine |
| Displacement (cc) | 398.63 | 398.15 |
| Max Power | 45.3 bhp @ 8,500 rpm | 39.5 bhp @ 8,000 rpm |
| Max Torque | 39 Nm @ 6,500 rpm | 37.5 Nm @ 6,500 rpm |
| Top Speed | 167 | 155 |
| Transmission | 6 | 6 |
| Fuel System | Fuel Injection | Fuel Injection |
| Emissions Standard | BS6 Phase-2 | BS6 Phase-2 |
| Clutch Type | Assist And Slipper Clutch | Assist And Slipper Clutch |
| Cooling System | Liquid Cooled | Liquid Cooled |
| Compression Ratio | 12.71:1 | 12:1 |
| No. Of Cylinder | 1 | 1 |
| Chassis Type | Split-Trellis Frame | Hybrid Spine/Perimeter |
| Fuel Tank Capacity | 15 L | 13 L |
| Front Suspensions | 5-click Compression & Rebound adjustable, Open Cartridge, WP APEX USD forks, 43mm diameter | 43mm upside down Big Piston forks. |
| Front Suspension Travel | 150 mm | 140 mm |
| Rear Suspensions | Adjustable WP APEX Monoshock, 5-step Rebound damping, 10-step preload adjustable | Gas monoshock RSU with external reservoir and pre-load adjustment. |
| Front Suspension Travel | 150 mm | 130 mm |
| Braking System | Dual-Channel ABS | Dual-Channel ABS |
| Front Brake Size | 320 | 300 |
| Rear Brake Size | 240 | 230 |
| Front - Calipers | 4 | 4 |
| Rear - Calipers | 2 | 1 |
| Wheels Type | Alloy | Alloy |
| Front Wheel Size | 110/70 - R17 | 110/70 - R17 |
| Rear Wheel Size | 150/60 - R17 | 150/60 - R17 |
| Kerb Weight (Kg) | 168.3 | 176 |
| Seat Height (mm) | 800 mm | 790 mm |
| Ground Clearance (mm) | 183 mm | 170 mm |
| Instrument Console | Digital | Semi-Digital |
| Speedometer | Digital | Analogue |
| Odometer | Digital | Digital |
| Gear Indicator | Yes | Yes |
| Head Light Unit | LED | LED |
| Brake/Tail Light Unit | LED | LED |
| Additional Features | Ride-By-Wire, Traction Control, Adjustable Front and Rear Suspensions, Bosch EFI, Bosch Quick Shifter | Ride-By-Wire, Traction Control, E- immobilizer Keys, 10-step adjustable gas-charge suspension on rear. |
| Price | NPR. 9,19,900/- | NPR. 6,39,000/- |