Aprilia RS660
Aprilia RS660
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Ducati Monster 821
Ducati Monster 821
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Aprilia RS660 vs Ducati Monster 821 Comparison

Overview: Aprilia RS660 vs Monster 821

Key Features

Front Brake Disc Dual Disc
Start Option Electric Electric
Transmission Type Manual Manual
Displacement 660 cc 821 cc
Maximum Power 100 hp 109 hp

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User Ratings & Review Comparison

11 reviews
14 reviews
User Review Comparison
  • Very good looking and stable motorcycle

    The build quality of Aprilia is worth noting as the motorcycle is genuinely well built with the best parts and materials making it a very premium...

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    Amihan Jan 11, 2024 for Aprilia RS660
  • Elevates the riding experience

    When I took the DUCATI MONSTER 821 for a spin, I was impressed by its riding demeanor and impressive features. The bike is very powerful yet...

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    Topacio Nov 20, 2023 for Ducati Monster 821

From The Experts

Things we like

Sporty appearance with attractive colour contrasts

Powerful and capable engine

Street-friendly sports bike


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Exquisite design

Unflinching performance of the engine

Dynamic handling

Efficient suspension and braking system

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Things we don't like

Pricey in its range

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Expensive ride

Fuel efficiency can be improved

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Engine & Performance

Displacement 660 cc 821 cc
Maximum Power 100 hp 109 hp
Valve Configuration DOHC --
Exhaust Pipes 2 in 1 Exhaust 2 Into 1 Into 2 Exhaust
Engine Type 2-Cylinder, 4-Stroke, Liquid-Cooled, DOHC L-Twin Cylinder, 4-Stroke ,Liquid Cooled Engine
Compression Ratio 13.5:1 --
Drive Type Chain Drive Chain Drive
Cooling System Liquid Cooled Liquid Cooled
No. Of Strokes 4-Stroke 4-Stroke
Clutch Type Wet, Multi-Plate Wet Multiplate Slipper Clutch
Valves Per Cylinder 4 --
Maximum Torque 67 Nm 86 Nm
No. Of Cylinder 2 2
Fuel Tank Capacity (litres) -- 17.5 L
Bore X Stroke -- 88 mm x 67.5 mm
Injection Type -- Fuel Injection
RPM at Maximum Torque -- 7750 rpm
RPM at Maximum Power -- 9250 rpm
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Category Sport Sport
Kerb Weight 183 kg 205.5 kg
Dry Weight 169 kg 180.5 kg
Seating Capacity 2 2
Height -- 1055 mm
Seat Height -- 810 mm
Length -- 2170 mm
Width -- 800 mm
Wheel Base -- 1480 mm
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Fuel & Ignition

Start Option Electric Electric
Fuel Type Gasoline Gasoline

Chassis & Suspension

Front Suspension USD USD Fork
Rear Suspension Monoshock Swing Arm

Wheels & Tyres

Tyre Type Radial Runflat,Tubeless
Front Wheel Size -- ZR17
Rear Wheel Size -- ZR17
Front Tyre -- 120/70 ZR17
Rear Tyre -- 180/55 ZR17


Battery Voltage 12 V 12 V

Gear & Transmission

Gear Box 6-Speed 6-Speed
Transmission Type Manual Manual

Safety & Security

ABS Yes Yes
Pass Switch Yes Yes
Engine Check Warning Yes Yes
Riding Modes Road, Race Road, Race Rain,Sport,Race Rain,Sport,Race
Stability Control No Yes
Anti-Theft Alarm No Yes
Back Rest No No
Shutter Lock No No
Side Reflectors Yes Yes
Traction Control Yes Yes
Launch Control No --
Leg Guards No No
Engine Immobilizer -- Yes
Central Locking -- Yes
Advanced Safety Features -- DTC DTC
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Odometer Digital Digital Digital Digital
Fuel Gauge Digital Digital Digital Digital
Navigator No No
Tachometer Yes Yes
Speedometer Digital Digital Digital Digital
Tripmeter Yes Yes
Display Screen Yes Yes
Oil Change Indicator Yes Yes
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Indicator Light No Yes
Adjustable Headlights Yes Yes
Accessory Outlet -- No

Chassis & Suspension

Side Wings Yes --
Seat Type Dual Stepped Dual Stepped Dual Stepped Dual Stepped
Chrome Garnish -- Yes
Body Frame Material -- Steel Steel
Body Frame Type -- Trellis Frame Trellis Frame


Front Brake Disc Disc Dual Disc Dual Disc
Rear Brake Disc Disc Disc Disc

Differentiating Features

Cruise Control No No
Height Adjustable Seats No Yes

Compare Ducati Monster 821 with Alternatives

Videos of Aprilia RS660 and Ducati Monster 821

Aprilia RS660 vs Ducati Monster 821 FAQs

Which Motorcycle has more power between Aprilia RS660 vs Ducati Monster 821?

The Aprilia RS660 has power of 100 hp with 67 Nm torque and Ducati Monster 821 has power of 109 hp with 86 Nm torque. Thus making Monster 821 the more powerful as compared to RS660.

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Which Motorcycle has more safety features between Aprilia RS660 vs Ducati Monster 821?

RS660 safety features: ABS, Pass Switch, Traction Control, Side Reflectors and Engine Check Warning

Monster 821 safety features: ABS, Pass Switch, Anti-Theft Alarm, Traction Control, Side Reflectors, Engine Check Warning, Central Locking, Engine Immobilizer and Stability Control

The Ducati Monster 821 has higher number of sefety features than RS660, hence Ducati Monster 821 is more safer than Aprilia RS660.

Helpful (170)