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    Ducati Monster 821 BS4 vs Aprilia RS 457

    Should you buy Ducati Monster 821 BS4 or Aprilia RS 457 Find out which bike is best for you - compare the two models on the basis of their price, mileage, features, colours and other specs. Ducati Monster 821 BS4 price in is Rs (ex-showroom price) whereas the Aprilia RS 457 price in is Rs 4,26,223 (ex-showroom). The engine in the Monster 821 BS4 makes 47.58 PS and 43.5 Nm . whereas the Aprilia RS 457 comes in 6 colours. Out of 73 user reviews, RS 457 scores 4.5 .

    Monster 821 BS4 vs RS 457

    Key HighlightsMonster 821 BS4RS 457
    Mileage -30 kmpl
    Max Power-47.58 PS @ 9400 rpm
    Body Type-Sports Bikes
    Engine Type-2 Parallel Forward Facing Cylinders, 4 Valves Per Cylinder, Liquid Cooled With Ride-By-Wire
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    Ducati Monster 821 BS4 vs Aprilia RS 457 Comparison

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      • Brand / Model
      • Variant
          Ducati Monster 821 BS4
          Ducati Monster 821 BS4
            Rs6,85,445*
            *Ex-showroom Price
            VS
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            • Brand / Model
            • Variant
                Aprilia RS 457
                Aprilia RS 457
                  Rs4,26,223*
                  *Ex-showroom Price
                  View July Offers
                Basic Information
                On-Road Price-
                Rs.4,84,369* Onwards
                Mileage
                -
                30 kmpl
                Max Power
                -
                47.58 PS @ 9400 rpm
                User Rating-
                4.5
                Based on Aprilia RS 457 Reviews
                Body Type
                -
                EMI Starts₹ 13,275
                Get EMI offers
                Rate of interest @6%* for 3 years
                Engine and Transmission
                Engine Type
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                -
                2 Parallel Forward Facing Cylinders, 4 Valves Per Cylinder, Liquid Cooled With Ride-By-Wire
                Displacement
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                457 cc
                Number Of Cylinders
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                2
                Cooling System
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                Liquid Cooled
                Valves (per cylinder)
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                4
                Supply System
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                Fuel Injection
                Clutch
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                Multiplate Wet Clutch With Slipper System
                Gearbox
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                -
                6 Speed
                Bore
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                69 mm
                Stroke
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                61.1 mm
                Emission Norm Compliance
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                BS6.2
                Max Torque
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                43.5 Nm @ 6700 rpm
                Starting System
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                Self Start Only
                Features
                Instrument Console Type
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                -
                Digital
                Navigation
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                Yes
                Call/SMS Alerts
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                Yes
                Roadside Assistance
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                Yes
                Speedometer
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                -
                Digital
                Tachometer
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                Digital
                Tripmeter
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                -
                Digital
                Odometer
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                -
                Digital
                Seat Type
                -
                Split
                Body Graphics
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                Yes
                Clock
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                Yes
                Rear Footpegs
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                Yes
                Distance To Empty
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                Yes
                Features and Safety
                Switchable ABS
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                Yes
                Service Due Indicator
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                Yes
                Fuel Gauge
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                Digital
                Riding Modes
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                Yes
                Traction Control
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                Yes
                Performance
                Overall Mileage
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                30 kmpl
                Claimed Top Speed
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                190 kmph
                Dimensions and Capacity
                Fuel Tank Capacity
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                13 L
                Fuel Tank Reserve Capacity
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                2.6 L
                Dry Weight
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                159 kg
                Kerb Weight
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                175 kg
                Seat height
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                800 mm
                Electricals
                Headlight
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                LED
                Taillight
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                LED
                Indicators
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                LED
                Daytime Running Lamps
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                Yes
                Low Fuel IndicatorNoYes
                Distance To Empty
                -
                Yes
                Tyres and Brakes
                Front Brake Size
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                320 mm
                Rear Brake Size
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                220 mm
                Underpinnings
                Frame
                -
                Dual Beam Aluminium Frame

                Monster 821 BS4 comparison with similar bikes

                Research more on Monster 821 BS4 and RS 457

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                User Reviews of Comparison

                • B
                  bhavana on Mar 19, 2026
                  4.7
                  Aprilia RS 457 is a powerful
                  Aprilia RS 457 is a powerful entry-level sport bike with a 457cc twin engine delivering strong mid-range performance and sharp handling. It offers premium features like riding modes and traction control. However, braking process and service network can be drawbacks. Overall, a fun, stylish, and performance-focused bike.
                  Read More
                  7 4
                • A
                  anuj on Jan 27, 2026
                  4.5
                  My review 10 of 10
                  I was riding smooth on highways Gurugram to Ahmadabad, stiff suspension in city rides. Good mileage on highways fuel efficiency low, recommended for family friendly stylish looking sports racing bikes. All good and positive thing's. Positive things suspension good work on highways and city road, I was cover good mileage on highways approx 37km per litre, fuel efficiency very good and affordable every biker dreams this Aprilia rs457. I'm really loving this bike, I own R15 but this Aprilia is super, I'm recommended every to go nearest Aprilia showroom and book a test ride and feel smoothness, under budget and affordable every riders dream.
                  Read More
                  6
                • G
                  gopal on Jan 26, 2026
                  4.3
                  Overall bike review of aprilia rs 457
                  This is the best motor sport bike. I've never seen premium quality engine, excellent model very attractive motor bike. Sporty look is next level the acceleration of bike is smooth, my experience is very joyful with this motor bike. This is best city road sport bike and going to highway this is turning into outstanding ridding experience, handling of this bike is very easy and smooth. This is top level bike I have full satisfied with this bike. Easy to handle. low cost maintenance best mileage, best for the city roads. The engine quality of this motor bike is next level. I love this bike. I have other bikes but this is best bike I have purchasing ever.
                  Read More
                  5 1
                • K
                  karan on Nov 27, 2025
                  3.5
                  Aprilia RS 457 Ownership Review
                  It is the best choice for a budget super sport bike and looks aggressive with a lot of torque and power. The twin cylinder engine is very tractable and the overall ride experience is fun! Definitely a head turner. The bike is very smooth and the engine is very responsive. The posture is a bit demanding so would avoid in traffic jams and long rides. The power is just amazing, a twist of the throttle and before you know it you are reaching triple digit speeds. This is a pure red bike and would only suggest it to those who are genuinely in need of the power upgrade and will ride the bike the way it is meant to. For beginners and clout chasers would definitely recommend to stay away from this bike.
                  Read More
                  3 1
                • D
                  daksh on Nov 19, 2025
                  4.0
                  Segment killer
                  Its is sports bike and segment killer. One of the best bike i have ride in this segment. But the breaking system sucks. Only good for experienced riders. U guys can buy the bike. Service is average not the best. It is good but breaking sucks.Its is sports bike and segment killer. One of the best bike i have ride in this segment. But the breaking system sucks. Only good for experienced riders. U guys can buy the bike. Service is average not the best. Yes i will recommend a bike like this. This is the segment killer. But j rember breaking sycks. Lacks safety. And the service centre is okish not best. This bike is not for beginners the top speed is 200kmph
                  Read More
                  2
                • Aprilia RS 457 Reviews

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                FAQs on Ducati Monster 821 BS4 and Aprilia RS 457

                Q) Which bike among Ducati Monster 821 BS4 and Aprilia RS 457 is cheaper?

                A) Ducati Monster 821 BS4 price starts at Rs 6,18,354 & Aprilia RS 457 price starts at Rs 4,26,223 in Delhi . Aprilia RS 457 is cheaper between these.
                *Ex-showroom price in Delhi
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