Aprilia RSV4 vs Harley-Davidson Fat Boy

Last Updated: October 23, 2026

Harley-Davidson Fat Boy price starts at Rs. 28.03 Lakh, which is Rs. 3.23 Lakh cheaper than the base variant of Aprilia RSV4, priced at Rs. 31.26 Lakh. In terms of mileage, the RSV4 offers a claimed 15.4 kmpl, while the Fat Boy delivers 18.18 kmpl. On the performance front, the RSV4 uses a 1099cc engine producing 219.98 PS @ 13000 rpm and the Fat Boy a 1923cc engine producing 104.69 PS @ 5020 rpm. If you're deciding between the RSV4 and Fat Boy, the RSV4 is the better pick for performance and a lighter kerb weight, while the Fat Boy stands out for affordability and mileage.

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RSV4 vs Fat Boy Comparison Summary

Specification Aprilia RSV4Harley-Davidson Fat Boy
Ex-showroom price (base) Rs. 31.26 LakhRs. 28.03 Lakh
Mileage 15.4 kmpl18.18 kmpl
Engine 1099 cc1923 cc
Max power 219.98 PS @ 13000 rpm104.69 PS @ 5020 rpm
Kerb weight 204 Kg315 Kg

RSV4 vs Fat Boy Key Highlights

Basic Info Aprilia RSV4 FactoryHarley-Davidson Fat Boy STD
Rating
2 reviews
2 reviews
Brand Name Aprilia Harley-Davidson
Ex-Showroom Price Rs. 31.26 Lakh Check On Road Price Rs. 28.03 Lakh Check On Road Price
Engine Type V4 (65°), 4 valves per cylinder, liquid-cooled with Ride-By-Wire Milwaukee-Eight™ 117 Custom
Max Power 219.98 PS @ 13000 rpm 104.69 PS @ 5020 rpm
Fuel Type Petrol Petrol
Colors
Aprilia RSV4 Colors
Harley Davidson Fat Boy Colors
Wheel Size Front :-431.8 mm,Rear :-431.8 mm Front :-457.2 mm,Rear :-457.2 mm
Wheels Type (Pressed Steel/ Alloy) Alloy Cast Aluminum
ABS Dual Channel Dual Channel
Starting Self Start Only Self Start Only
Speedometer Digital Analogue
EMI
Rs. 85,589 @ 6% (36 months)
Rs. 76,745 @ 6% (36 months)
Insurance Rs. 63,393 RSV4 Insurance Rs. 58,686 Fat Boy Insurance
Brochure
Download Brochure
N/A

Spark Plugs
1 Per Cylinder
Not Available
Valves (per cylinder)
4
4
Claimed Top Speed
305 kmph
177 kmph
Emission Norm Compliance
bs6.2
bs6.2
Engine Type
V4 (65°), 4 valves per cylinder, liquid-cooled with Ride-By-Wire
Milwaukee-Eight™ 117 Custom
Engine Displacement
1099 cc
1923 cc
Gear Box
6 speed
6 Speed
Max Power
219.98 PS @ 13000 rpm
104.69 PS @ 5020 rpm
Max Torque
127 Nm @ 10800 rpm
168 Nm @ 3000 rpm
Bore
81 mm
103.5 mm
Stroke
53.32 mm
114.3 mm
Number Of Cylinders
4
2
Drive Type
Chain Drive
Chain Drive
Fuel System
Fuel Injection
Fuel Injection
Fuel Type
Petrol
Petrol
Compression Ratio
13.6:1
10.3:1

Front Brake
Disc
Disc
Rear Brake
Disc
Disc
Front Caliper
4 Piston
4 Piston
Rear Caliper
2 Piston
4 Piston

Mileage (Overall)
15.4 kmpl
18.18 kmpl
Average Speed
Yes
Not Available
Fuel Gauge
Digital
Digital

Suspension-Front
Öhlins Ø 43 mm electronically controlled USD fork, fully adjustable, Travel - 125 mm
Dual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; "beer can" covers
Suspension-Rear
Öhlins electronically controlled monoshock, fully adjustable, Travel - 115 mm
Hidden, free piston, coil-over monoshock; 43mm stroke; hydraulic preload adjustment

Front Tyre Pressure (Rider)
36 psi
Not Available
Front Tyre Pressure (Rider and Pillion)
36 psi
Not Available
Rear Tyre Pressure (Rider)
42 psi
Not Available
Rear Tyre Pressure (Rider and Pillion)
42 psi
Not Available
Tyre Size
Front :-3.5 x 17, Rear :-6 x 17
Front :-160/60-R18, Rear :-240/40-R18
Wheel Size
Front :-431.8 mm,Rear :-431.8 mm
Front :-457.2 mm,Rear :-457.2 mm
Tyre Make
Not Available
Michelin
Tyre Type
Tubeless
Tubeless
Radial Tyre
Yes
Yes
Wheels Type (Pressed Steel/ Alloy)
Alloy
Cast Aluminum

Dry Weight
Not Available
304 kg
Seat height
840 mm
675 mm
Fuel Tank Reserve Capacity
4 L
Not Available
Engine Oil Capacity
Not Available
4.7 L
Length*Width*Height
2055*735*1150 mm3
Not Available
Wheelbase
1435.8 mm
1650 mm
Length
2055 mm
2365 mm
Ground Clearance
130 mm
125 mm
Height
1150 mm
Not Available
Width
735 mm
965 mm
Fuel Tank Capacity
18 L
18.9 L
Kerb Weight
204 Kg
315 Kg
Tail Light
LED
LED
Front Brake Size
330 mm
Not Available
Rear Brake Size
220 mm
Not Available

Call/SMS Alerts
Yes
Not Available
USB charging port
Yes
Yes
Headlight
LED
LED
Battery Capacity
12V / 8.6AH
Not Available

Cruise Control
Yes
Yes
Frame Type
Twin spar aluminum frame
Stiffer Frame
Digital Display Type
TFT
Not Available
Malfunction Indicator
Yes
Not Available
Trip Meter
Digital
Digital
Pillion Seat
Yes
Not Available
Pillion Grab Rail
Yes
Not Available
Calls and Messaging
Yes
Not Available
Navigation assist
Yes
Not Available
Riding Modes
Yes
Yes
Traction Control
Yes
Yes
Kill Switch
Yes
Yes
Low battery alert
Yes
Yes
No. of Tripmeters
2
Not Available
Engine Temperature Indicator
Yes
Not Available
Rear Footpegs
Not Available
Yes
Daytime Running Lamps
Yes
Not Available
Additional Features/Information
Wheelie Control, Ride Control, Engine brake control, Speed limiter
Drag-Torque Slip Control System, Hand Controls, Tyre Pressure Monitoring System, Cornering Enhanced Anti-lock Brake System, Cornering Enhanced Traction Control System, Cornering Drag-Torque Slip Control System
Gear Position Indicator
Yes
Yes
ABS Type
Dual Channel
Dual Channel
Distance To Empty
Yes
Not Available
Side Stand Warning
Not Available
Yes
Launch Control
Yes
Not Available
ABS
Dual Channel
Dual Channel
Body Type
Super Bikes, Sports Bikes
Cruiser Bikes
Instrument Console Type
Digital
Analogue and Digital
Bluetooth Connectivity
Bluetooth
Not Available
Starting
Self Start Only
Self Start Only
Seat Type
Split
Split
Pass Beam Switch
Not Available
Yes
Speedometer
Digital
Analogue
Tachometer
Digital
Digital
Low Fuel Warning Lamp
Yes
Yes
Clock
Yes
Yes
Low Battery Indicator
Yes
Yes
Low Oil Indicator
Yes
Yes
Cooling System
Liquid Cooled
Air Cooled
Odometer
Digital
Digital
Navigation
Yes
Not Available
Service Due Indicator
Yes
Not Available
Switchable ABS
Not Available
Yes
Saree Guard
Yes
Not Available
Shift Light
Yes
Not Available
Quick Shifter
Yes
Not Available
Hazard Light Switch
Yes
Not Available

Vehicle Warranty
2 Years
Not Available
Standard Warranty (Years)
2
Not Available
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Latest News on Aprilia RSV4 and Harley Davidson Fat Boy

Aprilia RSV4 Vs Harley-Davidson Fat Boy FAQs

Which bike is best between Aprilia RSV4 vs Harley-Davidson Fat Boy?
On the basis of mileage, performance, comfort, maintenance and features user have rated both the bikes equally.
Which bike is cheaper Aprilia RSV4 vs Harley-Davidson Fat Boy?
The Harley-Davidson Fat Boy is cheaper than Aprilia RSV4 by ₹3.23 Lakh.
Which bike offers better performance Aprilia RSV4 vs Harley-Davidson Fat Boy?
For the Factory version, 1099 cc Petrol engine of RSV4 produces 219.98 PS @ 13000 rpm of power and 127 Nm @ 10800 rpm of torque. Whereas for the STD version, 1923 cc Petrol engine of Fat Boy produces 104.69 PS @ 5020 rpm of power and 168 Nm @ 3000 rpm of torque
As per the users experiences in terms of performance both are same.

Images of Harley-Davidson Fat Boy and Aprilia RSV4

Which one do you like more?
Fat Boy
Fat Boy
RSV4
RSV4
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