Royal Enfield Guerrilla 450 vs Yamaha Aerox 155

Autocar India

Royal Enfield Guerrilla 450

Flash

2.72 lakh

Yamaha Aerox 155

Standard

1.45 lakh

Engine & Transmission

Fuel Type/ Propulsion

Petrol
Petrol

Engine Displacement

452 cc
155 cc

Valvetrain

4 Valves/Cyl
4 Valves/Cyl

Fueling

N/A
–

Cooling

Liquid Cooled
Liquid Cooled

Engine Type

1 cylinder
1 cylinder

Aspiration

Naturally Aspirated
–

Max Engine Power

39.47 bhp @ 8000 rpm
14.75 bhp @ 8000 rpm

Max Engine Torque

40 Nm @ 5500 rpm
13.9 Nm @ 6500 rpm

Bore

84 mm
58 mm

Stroke

81.5 mm
58.7 mm

Spark Plugs

1 Per Cylinder
1 Per Cylinder

Number of Gears

6
–

Slipper clutch

–

Reverse gear

N/A
–

Transmission Type

Manual
Automatic

Gearbox Type

Manual
–

Clutch

Assist And Slipper Clutch
–

Fuel & Performance

User Reported Mileage

28 kmpl
39.97 kmpl

Fuel Tank Size

11 L
5.5 L

Official Fuel Economy

None kmpl
40 kmpl

City Fuel Economy as Tested

24.9 kmpl
50.3 kmpl

Highway Fuel Economy as Tested

30.7 kmpl
57.2 kmpl

Reserve Fuel Capacity

2.2 L
1.3 L

Top Speed

140 kph
115 kph

Auto Start/Stop

0-60kph

2.96 sec
5.28 sec

0-100kph

6.59 sec
18.6 sec

60-0kph

14.98 m
20.75 m

0-80kph

4.6 sec
9.77 sec

0-40kph

1.73 sec
2.71 sec

Chassis & Suspension

Chassis name

Steel Twin Spar Frame, Using Engine As Stressed Member
Underbone

Chassis type

tubular steel frame
Underbone

Front Suspension Type

Telescopic Forks, 43 Mm
Telescopic fork

Front Suspension Adjustability

–

Rear Suspension Type

Linkage Type Mono-shock
Unit swing

Rear Suspension Adjustability

–

Electronic suspension

N/A
–

Front Brakes

Disc
Disc

Rear Brakes

Disc
Drum

Wheel Type

Alloy
Alloy

Wheel Construction

Alloy
Alloy

Tyre type

Tubeless
Tubeless

Front Tyre Size

120/70 - R17
110/80 - 14

Rear Tyre Size

160/60 - R17
140/70 - 14

Radial tyres

N/A
–

Calliper Type

Front - 2 Piston, Rear - 1 Piston
Front - 1 Piston, Rear - Piston

Brake type

Front - Disc, Rear - Disc
–

Front Wheel Size

17 inch
14 inch

Rear Wheel Size

17 inch
14 inch

Front Brake Type

Disc
Disc

Front Brake Size

310 mm
230 mm

Rear Brake Type

Disc
Drum

Rear Brake Size

270 mm
130 mm

Dimensions

Length

2090 mm
1980 mm

Width

855 mm
700 mm

Height

1095 mm
1150 mm

Wheelbase

1440 mm
1350 mm

Seat height

780 mm
790 mm

Adjustable seat height

N/A
–

Ground Clearance

169 mm
145 mm

Kerb Weight

185 kg
126 kg

Safety

Combined Braking System

–

Anti-Lock Brakes (ABS)

Dual channel
Single Channel

Cornering ABS

–

Hazard lights

Side-stand indicator

–

Side-stand engine cut-off

Traction control

Wheelie control

–

Engine brake control

–

Slide-control

–

Inertial Measurement Unit (IMU)

–

Adaptive Cruise Control

–

Cornering Headlamps

–

Tyre-Pressure Monitoring System

–

Blind Spot Monitor

–

Lane keep assist

–

Features

Pass-light switch

Pillion Seat

Low Battery Indicator

Keyless Lock

Low Oil Indicator

No. of Tripmeters

2
2

Odometer

Headlight Bulb Type

LED
LED

Headlamp Type

LED
LED

Pillion Backrest

Pillion Footrest

Pillion Grabrail

Tripmeter

Electric Start

Digital Fuel Guage

Daytime Running Lights

Quickshifter

–

Tripmeters Type

Digital
Digital

Turn Signal

Riding Modes

–

Clock

Brake/Tail Light

LED
LED

Shift Light

–

Battery

12 V, 8 AH
12V,6.0 Ah

Start Type

Electric Start
Electric Start

Antilock Braking System

Dual Channel ABS
Single Channel ABS

Stand Alarm

Underseat storage light

Engine-kill switch

USB Charging Port

–

Bluetooth Connectivity

Navigation

Cruise Control

Stepped Seat

–

Instrumentation

Low Fuel Level Warning

Speedometer

Digital
–

Average Speed

Tachometer

Tachometer Type

Digital
Digital

Service due indicator

Distance to Empty Range

–

Engine/Motor temperature gauge

–

Fuel gauge

–

Gear Indicator

–

Trip Meter

Touchscreen

Instantaneous Fuel Consumption

–

Instrument console

Digital
Digital

TFT colour Instrument cluster

–