Comparing the Aprilia RS 457 and the KTM 390 DUKE side by side helps you weigh how each motorcycle fits your riding needs before you decide. On the engine front, the Aprilia RS 457 comes with a 457 cc unit compared to the KTM 390 DUKE's 398.63 cc, producing 47.6 PS (≈ 35 kW) at 9,400 rpm and 33.8 kW @ 8500 rpm respectively. Fuel efficiency stands at 30 kmpl for the Aprilia RS 457 versus 30 kmpl for the KTM 390 DUKE. The full specification, pricing and feature breakdown for both motorcycles is available in the table below.
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | Liquid-cooled | Liquid cooling with radiator |
| Displacement | 457 cc | 398.63 cc |
| Engine Type | 2 parallel forward-facing cylinders, 4 valves per cylinder | Single Cylinder, Liquid Cooled, DOHC, FI Engine |
| Power | 47.6 PS (≈ 35 kW) at 9,400 rpm | 33.8 kW @ 8500 rpm |
| Torque | 43.5 Nm at 6,700 rpm | 39 Nm @ 6500 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 13L | 15 L |
| Mileage | 30 kmpl | 30 kmpl |
Dimensions & Weight |
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| Kerb Weight | 175 | 168.3 |
| Seat Height | 800 | 820 |
Brakes & Suspension |
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| ABS | Dual Channel | Dual-channel ABS with SUPERMOTO mode |
| Front Brake | Disc 320 mm 4 Piston | 320 mm Disc with Radially mounted calliper |
| Front Suspension | 41mm upside-down fork, adjustable preload, 120mm travel | 5-click Compression & Rebound adjustable, Open Cartridge, WP APEX USD forks, 43mm diameter |
| Rear Brake | Disc 220 mm 1 Piston | 240 mm Disc with Floating calliper |
| Rear Suspension | Monoshock, adjustable preload, 130 mm wheel travel | Adjustable WP APEX Monoshock, 5-step Rebound damping, 10-step preload adjustable |
Tyres & Wheels |
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| Front Tyre | 110/70 - 17 | 110/70 - ZR17 |
| Rear Tyre | 150/60 - 17 | 150/60 - ZR17 |
| Tyre Type | Tubeless | Tubeless |
| Wheel Type | Alloy | Alloy |
Features & Technology |
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| Headlight | LED | Full Split LED Headlamp |
Other Specifications |
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| Battery | 12v MF | 12 V, 8 AH MF battery |
| Bike Image 1 |
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| Bike Image 2 |
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| Bike Image 3 |
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| Cluster | — | 5" TFT dash display |
| Color Options | Racing StripesPrismatic DarkOpalescent LightGP ReplicaCoral Snake blueArsenic yellow | GUN METAL GREYELECTRONIC ORANGEATLANTIC BLUE |
| Fuel System | Fuel injection | Fuel Injection |
| Price Variants | STD | 422229 GP Replica | 437228 | Standard | 339002 |
| Starter | Self start | Self Start Only |
| Transmission | 6-speed manual | 6 Speed Manual |










