Harley-Davidson Fat Boy vs Harley-Davidson Sportster S

Last Updated: July 31, 2026

Harley-Davidson Sportster S price starts at Rs. 18.05 Lakh, which is Rs. 9.98 Lakh cheaper than the base variant of Harley-Davidson Fat Boy, priced at Rs. 28.03 Lakh. In terms of mileage, the Fat Boy offers a claimed 18.18 kmpl, while the Sportster S delivers 19.6 kmpl. On the performance front, the Fat Boy uses a 1923cc engine producing 104.69 PS @ 5020 rpm and the Sportster S a 1252cc engine producing 122.3 PS @ 7500 rpm. If you're deciding between the Fat Boy and Sportster S, the Sportster S is the better pick for affordability and mileage.

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Fat Boy vs Sportster S Comparison Summary

Specification Harley-Davidson Fat BoyHarley-Davidson Sportster S
Ex-showroom price (base) Rs. 28.03 LakhRs. 18.05 Lakh
Mileage 18.18 kmpl19.6 kmpl
Engine 1923 cc1252 cc
Max power 104.69 PS @ 5020 rpm122.3 PS @ 7500 rpm
Kerb weight 315 Kg228 Kg

Fat Boy vs Sportster S Key Highlights

Basic Info Harley-Davidson Fat Boy STDHarley-Davidson Sportster S STD
Rating
1 review
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Brand Name Harley-Davidson Harley-Davidson
Ex-Showroom Price Rs. 28.03 Lakh Check On Road Price Rs. 18.05 Lakh Check On Road Price
Engine Type Milwaukee-Eight™ 117 Custom Revolution™ Max 1250T
Max Power 104.69 PS @ 5020 rpm 122.3 PS @ 7500 rpm
Fuel Type Petrol Petrol
Colors
Harley Davidson Fat Boy Colors
Harley Davidson Sportster S Colors
Wheel Size Front :-457.2 mm,Rear :-457.2 mm Front :-431.8 mm,Rear :-406.4 mm
Wheels Type (Pressed Steel/ Alloy) Cast Aluminum Alloy
ABS Dual Channel Dual Channel
Starting Self Start Only Self Start Only
Speedometer Analogue Digital
EMI
Rs. 76,745 @ 6% (36 months)
Rs. 49,420 @ 6% (36 months)
Insurance Rs. 58,686 Fat Boy Insurance Rs. 46,165 Sportster S Insurance
Brochure N/A N/A

Valves (per cylinder)
4
4
Claimed Top Speed
177 kmph
230 kmph
Emission Norm Compliance
bs6.2
bs6.2
Engine Type
Milwaukee-Eight™ 117 Custom
Revolution™ Max 1250T
Engine Displacement
1923 cc
1252 cc
Gear Box
6 Speed
6 Speed
Max Power
104.69 PS @ 5020 rpm
122.3 PS @ 7500 rpm
Max Torque
168 Nm @ 3000 rpm
125 Nm @ 6000 rpm
Bore
103.5 mm
105 mm
Stroke
114.3 mm
72.3 mm
Number Of Cylinders
2
2
Drive Type
Chain Drive
Belt Drive
Fuel System
Fuel Injection
Fuel Injection
Fuel Type
Petrol
Petrol
Compression Ratio
10.3:1
12.0:1

Front Brake
Disc
Disc
Rear Brake
Disc
Disc
Front Caliper
4 Piston
4 Piston
Rear Caliper
4 Piston
1 Piston

Mileage (Overall)
18.18 kmpl
19.6 kmpl
Fuel Gauge
Digital
Digital

Suspension-Front
Dual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; "beer can" covers
43 mm inverted fork with compression, rebound and spring preload adjustability. Aluminum fork triple clamps.
Suspension-Rear
Hidden, free piston, coil-over monoshock; 43mm stroke; hydraulic preload adjustment
Linkage-mounted, piggyback monoshock with compression, rebound and hydraulic spring preload adjustability

Front Tyre Pressure (Rider)
Not Available
36 psi
Front Tyre Pressure (Rider and Pillion)
Not Available
36 psi
Rear Tyre Pressure (Rider)
Not Available
42 psi
Rear Tyre Pressure (Rider and Pillion)
Not Available
42 psi
Tyre Size
Front :-160/60-R18, Rear :-240/40-R18
Front :-160/70-17, Rear :- 180/70-16
Wheel Size
Front :-457.2 mm,Rear :-457.2 mm
Front :-431.8 mm,Rear :-406.4 mm
Tyre Make
Michelin
Dunlop
Tyre Type
Tubeless
Tubeless
Radial Tyre
Yes
Yes
Wheels Type (Pressed Steel/ Alloy)
Cast Aluminum
Alloy

Dry Weight
304 kg
221 kg
Seat height
675 mm
765 mm
Fuel Tank Reserve Capacity
Not Available
1.7 L
Engine Oil Capacity
4.7 L
4.5 L
Length*Width*Height
Not Available
2270*840*1089 mm3
Wheelbase
1650 mm
1520 mm
Length
2365 mm
2270 mm
Ground Clearance
125 mm
90 mm
Height
Not Available
1089 mm
Width
965 mm
840 mm
Fuel Tank Capacity
18.9 L
11.7 L
Kerb Weight
315 Kg
228 Kg
Tail Light
LED
LED
Front Brake Size
Not Available
320 mm
Rear Brake Size
Not Available
260 mm

Call/SMS Alerts
Not Available
Yes
USB charging port
Yes
Yes
Music control
Not Available
Yes
Headlight
LED
LED
Battery Capacity
Not Available
12V / 12AH
Projector head light
Not Available
Yes

Cruise Control
Yes
Yes
Frame Type
Stiffer Frame
High Strength Low Alloy Wheel Trellis Frame
Digital Display Type
Not Available
TFT
Trip Meter
Digital
Digital
Calls and Messaging
Not Available
Yes
Navigation assist
Not Available
Yes
Riding Modes
Yes
Yes
Traction Control
Yes
Yes
Kill Switch
Yes
Yes
Low battery alert
Yes
Yes
Rear Footpegs
Yes
Yes
Daytime Running Lamps
Not Available
Yes
Additional Features/Information
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
Drag-Torque Slip Control System, Tyre Pressure Monitoring System, Wheel Lift Mitigation, Cornering Enhanced Anti-lock Brake System, Cornering Enhanced Traction Control System, Cornering Drag-Torque Slip Control System, Enhanced Lift Mitigation
Gear Position Indicator
Yes
Yes
ABS Type
Dual Channel
Dual Channel
Side Stand Warning
Yes
Yes
ABS
Dual Channel
Dual Channel
Body Type
Cruiser Bikes
Cruiser Bikes
Instrument Console Type
Analogue and Digital
Digital
Bluetooth Connectivity
Not Available
Bluetooth
Starting
Self Start Only
Self Start Only
Seat Type
Split
Single
Pass Beam Switch
Yes
Yes
Speedometer
Analogue
Digital
Mobile Application
Not Available
Yes
Tachometer
Digital
Digital
Low Fuel Warning Lamp
Yes
Yes
Clock
Yes
Yes
Low Battery Indicator
Yes
Yes
Low Oil Indicator
Yes
Not Available
Cooling System
Air Cooled
Liquid Cooled
Odometer
Digital
Digital
Navigation
Not Available
Yes
Switchable ABS
Yes
Not Available
Hazard Light Switch
Not Available
Yes

Air Filter Service Cost
Not Available
No
Spark Plug Service Cost
Not Available
No
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Latest News on Harley Davidson Fat Boy and Harley Davidson Sportster S

Harley Davidson Fat Boy Vs Harley Davidson Sportster S FAQs

Which bike is cheaper Harley Davidson Fat Boy vs Harley Davidson Sportster S?
The Harley-Davidson Sportster S is cheaper than Harley-Davidson Fat Boy by ₹9.98 Lakh.
Which bike offers better performance Harley Davidson Fat Boy vs Harley Davidson Sportster S?
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. Whereas for the STD version, 1252 cc Petrol engine of Sportster S produces 122.3 PS @ 7500 rpm of power and 125 Nm @ 6000 rpm of torque

Images of Harley-Davidson Sportster S and Harley-Davidson Fat Boy

Which one do you like more?
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