Bajaj Dominar 400 vs Yamaha Aerox 155

Autocar India

Engine & Transmission

Fuel Type/ Propulsion

Petrol
Petrol

Engine Displacement

349.13 cc
155 cc

Valvetrain

4 Valves/Cyl
4 Valves/Cyl

Fueling

Fuel-Injected
–

Cooling

Liquid Cooled
Liquid Cooled

Engine Type

1 cylinder
1 cylinder

Aspiration

Naturally Aspirated
–

Max Engine Power

40.6 hp @ 9000 rpm
14.75 bhp @ 8000 rpm

Max Engine Torque

33.2 Nm @ 7500 rpm
13.9 Nm @ 6500 rpm

Bore

89 mm
58 mm

Stroke

56.1 mm
58.7 mm

Spark Plugs

1 Per Cylinder
1 Per Cylinder

Number of Gears

6
–

Slipper clutch

–

Reverse gear

–

Transmission Type

Manual
Automatic

Clutch

Assist And Slipper Clutch
–

Fuel & Performance

Fuel Tank Size

13 L
5.5 L

Official Fuel Economy

None kpl
40 kmpl

Reserve Fuel Capacity

1.5 L
1.3 L

Top Speed

None kph
115 kph

Auto Start/Stop

User Reported Mileage

30.08 kmpl
39.97 kmpl

City Fuel Economy as Tested

–
50.3 kmpl

Highway Fuel Economy as Tested

–
57.2 kmpl

0-60kph

–
5.28 sec

0-100kph

–
18.6 sec

60-0kph

–
20.75 m

0-80kph

–
9.77 sec

0-40kph

–
2.71 sec

Chassis & Suspension

Chassis name

Beam Type Perimeter Frame
Underbone

Chassis type

Beam Type Perimeter Frame
Underbone

Front Suspension Type

USD Forks
Telescopic fork

Rear Suspension Type

Monoshock with canister
Unit swing

Rear Suspension Adjustability

N/A
–

Electronic suspension

–

Front Brakes

Disc
Disc

Rear Brakes

Disc
Drum

Wheel Type

Alloy
Alloy

Wheel Construction

Alloy
Alloy

Tyre type

Tubeless
Tubeless

Front Tyre Size

110/70 - R17
110/80 - 14

Rear Tyre Size

150/60 - R17
140/70 - 14

Front Disc/Drum Size

320 mm
–

Rear Disc/Drum Size

230 mm
–

Calliper Type

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

Wheel Size

Front - 17 inch, Rear - 17 inch
–

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

320 mm
230 mm

Rear Brake Type

Disc
Drum

Rear Brake Size

230 mm
130 mm

Dimensions

Length

2151 mm
1980 mm

Width

834 mm
700 mm

Height

1243 mm
1150 mm

Wheelbase

1452 mm
1350 mm

Seat height

800 mm
790 mm

Ground Clearance

157 mm
145 mm

Kerb Weight

190 kg
126 kg

Safety

Anti-Lock Brakes (ABS)

Dual channel
Single Channel

Hazard lights

Side-stand engine cut-off

Traction control

Adaptive Cruise Control

–

Tyre-Pressure Monitoring System

–

Blind Spot Monitor

–

Lane keep assist

–

Features

Headlamp Type

LED
LED

Daytime Running Lights

Pass-light switch

Underseat storage light

Engine-kill switch

Audio System

–

USB Charging Port

–

Bluetooth Connectivity

Navigation

Riding Modes

–

Cruise Control

Quickshifter

–

Keyless Lock

Heated Grips

–

Heated Seat

–

Luggage Panniers

–

Stepped Seat

No. of Tripmeters

2
2

Tripmeters Type

Digital
Digital

Low Oil Indicator

Low Battery Indicator

Pillion Backrest

Pillion Grabrail

Pillion Seat

Pillion Footrest

Tripmeter

Electric Start

Clock

Battery

12V, 8Ah
12V,6.0 Ah

Headlight Bulb Type

LED
LED

Brake/Tail Light

LED
LED

Turn Signal

Odometer

Stand Alarm

Digital Fuel Guage

Start Type

Electric Start
Electric Start

Shift Light

–

Antilock Braking System

Dual Channel ABS
Single Channel ABS

Instrumentation

Instrument console

Digital
Digital

Touchscreen

Tachometer

Trip Meter

Average Speed

Fuel gauge

–

Low Fuel Level Warning

Distance to Empty Range

–

Gear Indicator

–

Service due indicator

Engine/Motor temperature gauge

–

Speedometer

Digital
–

Tachometer Type

Digital
Digital