Byd Atto 3 vs Tata Sierra Ev

Autocar India

Engine & Transmission

Fuel Type/ Propulsion

Electric
Electric

Motor Type

Permanent magnet synchronous motor
Permanent Magnet Synchronous Motor

Number of Motors

1
–

Pure Electric Driving Mode

–

Gearbox Type

Auto
Auto

Number of Gears

1
1

Manual Shifts via Gear Lever on Automatic Gearbox

–

Paddle Shifters for Automatic Gearbox

Sport Mode for Automatic Gearbox

–

Drive Layout

Front Wheel Drive
All Wheel Drive

Lockable Differential/s

–

Max Motor Power

204hp
306 hp

Max Motor Torque

310Nm
504 Nm

Fuel & Performance

Auto Start/Stop

–

Battery Capacity

60.48 kWh
75kWh

Charging Time

50min 0%-80%(80 kW DC charger), 10hrs (7 kW AC charger) hrs
–

Claimed Range

521 km
624 km

0-100kph

7.3 s
–

Emission Standard

–
Other

Drive Mode Types

–
Multiple

Terrain Modes

–

Suspension & Steering

Front Suspension Type

Independent, MacPherson Strut
McPherson Strut and Stabilizer bar

Front Springs

Coil Springs
–

Rear Suspension Type

Independent, Multi-link
Independent Multilink with Stabilizer bar

Rear Springs

Coil Springs
–

Damper Control

–

Ride Height Adjust

–

Type of Power Assist

Electric
Electric

Steering Adjust type

Manual
Manual

Steering Adjust

Tilt and Telescopic
Tilt and Telescopic

Front Brakes

Discs
Disc

Rear Brakes

Discs
Disc

Wheel Size

18 inches
19 inches

Front Tyre Size

215/55 R18
225/55 R19

Rear Tyre Size

215/55 R18
225/55 R19

Wheels

Alloys
Alloys

Spare Wheel

–

Turning Radius

–
5.32 m

Dimensions

Length

4455 mm
4340 mm

Width

1875 mm
1841 mm

Height

1615 mm
1750 mm

Wheelbase

2720 mm
2730 mm

Ground Clearance

175 mm
205 mm

Kerb Weight

1750 kg
–

Chassis Type

Monocoque
Monocoque

Boot Capacity

440-1340 litres
622 litres

Doors

5
5

Comfort

Power Windows

Front and Rear
Front and Rear

Door Pockets

–

Power Windows with One Touch-Down

All
Driver Window Only

Bluetooth Connectivity

–

Cabin Boot Access

–

Rear Reading Lamp

–

Driver Armrest Storage

–

Vanity Mirror

Interior Lamps

–

Front Seatback Pockets

Cup Holders

–

Steering Mounted Controls

Audio and Phone
Audio and Phone

12 Volt Port

–

Powered Tailgate

Yes (Gesture Control)

Digital Instrument Cluster

Fully Digital
–

Headlight and Ignition on Reminder

–

Electric Tailgate Release

Power Windows with One Touch-Up

All
Driver Window Only

Exterior Mirrors Electric Adjust

Exterior Mirrors Electric Fold

Yes with power folding

Remote Locking

–

Keyless Entry

–

Push Button Start

Climate Control

1-zone
2-zone

Rear AC Vents

Third Row AC Vents

–

Front Passenger Seat Adjust from Rear

Rear Window Sun Shades

Rear Windscreen Sun Shade

–

Rear Power Outlet

–

Sunroof

Panoramic
Panoramic

Ambient Lighting

Driving Modes

–

Cruise Control

Yes (Adaptive)
Yes (Adaptive)

Auto Parking

Launch Control

–

Dead Pedal

–

Hands-free Boot Opening

–

Glove Box

–

12 Volt Port Boot

–

Cooled Glovebox

–

Rear Parcel Tray

–

Adjustable Underthigh Support

–
Front Only

Voice Assisted Sunroof

–

Trunk Light

–

Safety

Airbags

7
6

Door Ajar Warning

Front Collision Avoidance

–

Rear Seatbelt Reminder

–

Curtain Airbag

Dashcam

–

Day Night Interior Mirror

Automatic
Automatic

Seat Belt Warning

–

Speed Sensing Door Lock

–

Rear Cross Traffic Collision Avoidance

Rear Cross Traffic Alert

Impact Sensing Auto Door Unlock

–

Anti-Lock Brakes (ABS)

Lane Departure Avoidance

Passenger Airbag

Side Airbag

Auto emergency braking (AEB)

Driver Airbag

Overspeed Warning

Electronic Brakeforce Distribution (EBD)

Brake Assist (BA)

–

Electronic Parking Brake

Yes with Autohold

Traction Control

Electronic Stability Control

Hill Start Assist

Hill Descent Control

Central Locking

Speed-Sensing Auto Door Locks

–

Child Safety Lock

–

ISOFIX Child Seat Mounts

Automatic Headlamps

Automatic Wipers

Rear Washer/Wiper

Rear Defogger

Day/Night Interior Mirror

Auto
–

Parking Sensors

Front & Rear
–

Parking Camera

Front & Rear
360 degree

Tyre Pressure Monitoring System

With Display

Blind Spot Monitor

Adaptive Cruise Control

Speed Assist System

–

Anti Theft Alarm

–

Lane Keep Assist

–

High Beam Assist

–

Height Adjustable Seat Belt

–

Exterior

Body Coloured Bumpers

–

Follow Me Home Headlamps

LED taillights

Puddle Lamps

Headlight Height Adjuster

–

Rub Strips

–

Projector Headlamps

Scuff Plates

–

Roof Rails

Wheel Arch Cladding

–

LED headlamps

–

LED fog lamps

–

Cornering Headlights

–

LED DRLs

Antenna

Shark Fin
Shark Fin

ORVM turn indicators

Headlight Type

LED
LED

Daytime Running Lights

LED
–

Front Fog Lamps

Outside rear view mirror (ORVM)

–

Pop-Out Door Handle

–
Manual

Stop Lamp

–

Welcome and Goodbye Animation

–

Charging Indicator On Light Bar

–

Interior

Speedometer

Digital
–

Tachometer

Digital
–

Trip Meter

–

Average Fuel Consumption

–

Average Speed

–

Distance to Empty

–

Low Fuel Level Warning

–

Instantaneous Consumption

–

Gear Indicator

–

Shift Indicator

–

Head-up Display

–

Seat Material

Leatherette
–

Leather-wrapped Steering Wheel

Second Row Seat Adjustment

–

Leather-wrapped Gear Knob

–

Driver's Seat Height Adjust

–

Electric Adjust for Driver's Seat

Driver's Seat Memory

Front Passenger Seat Height Adjust

–

Electric Adjust for Front Passenger's Seat

Front Passenger Seat Memory

–

Adjustable Front Headrests

Ventilated Seats

Front Only
Front Only

Heated Seats

–

Massage Seats

–

Front Seat Armrest

–

Rear Seat Armrest

Yes with Holders
Yes with Holders

Adjustable Rear Headrests

Individual Chairs at Rear

–

Rear Seat Backrest Recline

–

Rear Seat Backrest Fold

–

Rear Seat Backrest Split

60:40
60:40

Third Row Seats

–

Seat Count

5
–

Entertainment

Audio System

–

CD Player

–

Speakers

8
12

USB Input

–

AUX Input

–

Bluetooth Audio Streaming

–

Bluetooth Telephone Function

–

Steering Audio Controls

–

Steering Phone Controls

–

Wireless Phone Charging

Display

12.8-inch Touchscreen
12.29-inch Touchscreen

Android Auto

Wireless
Wireless

Apple CarPlay

Wireless
Wireless

MirrorLink

–

Web Browser

–

Video Player

–

Satellite Navigation

Phone-based
On-board

Voice Commands

Alexa

Gesture Controls

–

Touchpad

–

Rear Entertainment Screens

–

Branded Music System

–
JBL

Second Row USB port

–
2 Type C

Front USB port

–
2 Type C

Connected Car Features

SOS Button

Remote AC On / Off via App

–

Remote Car Lock/Unlock via App

–

Car Light Flashing & Honking via App

–

Emergency Call Button

–

Find My Car

–

Check Vehicle Status via App

–

Over the air (OTA) updates

Digital Key

–