Aprilia RS 660 [2020 - 2023] vs KTM 390 Adventure X

Choosing between the Aprilia RS 660 [2020 - 2023] vs KTM 390 Adventure X? BikeJunction is here to help! The RS 660 [2020 - 2023] starts at ₹ 14.65 Lakh, while the 390 Adventure X is priced at ₹ 3.43 Lakh (ex-showroom). You can easily compare all the required parameters for your new two-wheeler. These two-wheelers have powerful motors with good performance. Among them, the RS 660 [2020 - 2023] offers 67 Nm @ 8500 rpm torque. The 390 Adventure X gives 39 Nm @ 6500 rpm torque. Apart from all this, you can pick from 390 Adventure X colour options for the 2. you will get a more extensive comparison of Aprilia RS 660 [2020 - 2023] and KTM 390 Adventure X, which will definitely clear your confusion between these two-wheelers.

Aprilia RS 660 [2020 - 2023] vs KTM 390 Adventure X Comparison Overview

Key Highlights	RS 660 [2020 - 2023]	390 Adventure X
Price	₹ 14.65 Lakh	₹ 3.43 Lakh
Displacement	659 CC	398.63 CC
Power	98.63 bhp @ 10500 rpm	46 bhp @ 8500 rpm
Mileage	20.4 KMPL	30 KMPL
Top Speed	230 kmph	_

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Engine

Max Power Highest power the engine/motor can produce.	98.63 bhp @ 10500 rpm	46 bhp @ 8500 rpm
Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power.	67 Nm @ 8500 rpm	39 Nm @ 6500 rpm
Battery Type	12V 8.6 Ah	Maintenance Free
Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability.	13.5:1	12.71:1
Engine Type Design and working of the two-wheeler's engine.	2 parllel forward facing cylinders, 4 valves per cylinder, liquid-cooled with ride-by-wire	N/A
Displacement Engine cylinder capacity measured in cc.	659	398.63
Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed.	81 mm	89 mm
No Of Cylinders	2	1
Stroke Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM.	63.93 mm	64 mm

Speed

Top Speed

230 Km/h

N/A

Tyres & Wheels

Tyre Size	Front : 120/70 - 17, Rear : 180/55 - 17	Front: 100/90 x 19 Rear: 130/80x17
Wheel Size	Front : 17 inch, Rear : 17 inch	Front : 19 inch, Rear : 17 inch
Wheels Type	Alloy	Alloy
Tubeless Tyre A tyre without an inner tube, reducing puncture risks and maintaining air longer.	Tubeless	Tubeless
Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort.	1370 mm	1470 mm
Front Tyre Pressure Rider	36 psi	N/A
Front Tyre Pressure Rider And Pillion	36 psi	N/A
Rear Tyre Pressure Rider	42 psi	N/A
Rear Tyre Pressure Rider And Pillion	42 psi	N/A

Brakes

Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety.	null	Yes
Rear Brake Diameter	220 mm	240 mm

Fuel

Fuel Supply	Fuel Injection	N/A
Fuel Type	Petrol	Petrol
Fuel Capacity	15 L	14.5 L
Fuel Reserve	4 L	N/A

Body

Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter).	Sports Bike	N/A
Drive Type How power is sent to the wheels (e.g., chain, belt, shaft).	Chain Drive	N/A
Frame The main structure holding the bike together.	Aluminium dual beam chassis with removable seat support subframe	Split-Trellis Frame
Ground Clearance Distance between the bike’s lowest part and the ground.	N/A	228 mm
Height	1150 mm	825 mm
Kerb Weight Bike’s weight with fuel and fluids.	183 Kg	181 Kg
Length	1995 mm	N/A
Seat Height Distance from the ground to the seat.	820 mm	N/A
Width	745 mm	N/A

Switches & Controls

Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery.	Commute, Dynamic, Individual, Challenge and Time Attack	Off-Road and Street
Pass Switch A switch to flash the high beam, signaling other vehicles while overtaking.	Yes	N/A
Traction Control A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces.	Yes	N/A

Meter

Instrument Console The main dashboard displaying speed, fuel, engine stats, and warnings.	Digital	TFT
Tripmeter Tracks specific trip distances separately from the odometer, useful for measuring short rides.	Digital	N/A
Techometer	N/A	Digital
Clock	Yes	N/A
Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement.	Yes	N/A

Clutch & Gear

Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts.	Wet Multiplate	Assist And Slipper Clutch
Gear Box	6 speed	6 Speed
Transmission The entire system that transfers engine power to the wheels (includes clutch and gearbox).	6 Speed Manual	Manual

Battery

Battery Capacity

Total energy the battery can store.

N/A

12 V, 8 AH

Shockers

Suspension Front	Kayaba 41-mm stanchion fork, aluminium radial calliper mounting bracket. Adjustable spring preload and rebound damping. 120 mm wheel travel.	WP APEX USD forks, 43 mm diameter, 200mm travel
Suspension Rear	Aluminium asymmetric swingarm. Adjustable monoshock in spring reload, rebound braking. 130-mm wheel travel.	WP APEX Monoshock, 205mm wheel travel Adjustable for Preload (10 steps)

Seat

Seat Type

The design of the seat that affects comfort and seating position.

Split

N/A

Others

Additional Features	AWC (wheelie control), AEB (engine brake) AEM (engine mapping)	N/A
Call Sms Alerts Notifies you of incoming calls or messages on the bike’s screen.	Yes	N/A
Cruise Control A feature in which rider can set a steady speed without using the throttle.	Yes	N/A