Comparing the KTM 50 SX and the Aprilia RS 457 side by side helps you weigh how each motorcycle fits your riding needs before you decide. On the engine front, the KTM 50 SX comes with a 49.9 cc unit compared to the Aprilia RS 457's 457 cc, producing 5.3 bhp @ 11500 rpm and 47.6 PS (≈ 35 kW) at 9,400 rpm respectively. Fuel efficiency stands at 30 kmpl for the KTM 50 SX versus 30 kmpl for the Aprilia RS 457. The full specification, pricing and feature breakdown for both motorcycles is available in the table below.
| Specification | ||
|---|---|---|
Engine Specifications |
||
| Cooling System | Liquid Cooled | Liquid-cooled |
| Displacement | 49.9 cc | 457 cc |
| Engine Type | 1-cylinder, 2-stroke engine | 2 parallel forward-facing cylinders, 4 valves per cylinder |
| Power | 5.3 bhp @ 11500 rpm | 47.6 PS (≈ 35 kW) at 9,400 rpm |
| Torque | 5.2 Nm @ 7500 rpm | 43.5 Nm at 6,700 rpm |
Performance & Efficiency |
||
| Fuel Tank Capacity | 2.3 L | 13L |
| Mileage | 30 kmpl | 30 kmpl |
Dimensions & Weight |
||
| Kerb Weight | 41 | 175 |
| Seat Height | 653 | 800 |
Brakes & Suspension |
||
| ABS | — | Dual Channel |
| Front Brake | Disc 160 mm | Disc 320 mm 4 Piston |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | 41mm upside-down fork, adjustable preload, 120mm travel |
| Rear Brake | Disc 160 mm | Disc 220 mm 1 Piston |
| Rear Suspension | XACT WP mono shock | Monoshock, adjustable preload, 130 mm wheel travel |
Tyres & Wheels |
||
| Front Tyre | 60/100 - 12 | 110/70 - 17 |
| Rear Tyre | 2.75 - 10 | 150/60 - 17 |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Alloy |
Features & Technology |
||
| Headlight | — | LED |
Other Specifications |
||
| Battery | — | 12v MF |
| Bike Image 1 | — |
|
| Bike Image 2 | — |
|
| Bike Image 3 | — |
|
| Color Options | Electronic Orange | Racing StripesPrismatic DarkOpalescent LightGP ReplicaCoral Snake blueArsenic yellow |
| Fuel System | — | Fuel injection |
| Price Variants | STD | 475000 | STD | 422229 GP Replica | 437228 |
| Starter | Kick Start Only | Self start |
| Transmission | Manual | 6-speed manual |








