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BYD Atto 1 Dynamic vs Proton e.Mas 5 Prime Comparison in Nepal 2026

Updated . Prices and specs from Nepal distributors where published.

BYD Atto 1 Dynamic side viewElectric
BYD

Atto 1 Dynamic

Rs 30,75,000
Price in Nepal
Range
230 km
Battery
30.08 kWh
Motor
45 kW
Ground clearance
175 mm
Price and all trims of the BYD Atto 1 Dynamic
Proton e.Mas 5 Prime side viewElectric
Proton

e.Mas 5 Prime

Rs 29,99,000
Price in Nepal
Range
225 km
Battery
30.12 kWh
Motor
58 kW
Ground clearance
175 mm
Price and all trims of the Proton e.Mas 5 Prime

The BYD Atto 1 starts at Rs 30.75 lakh and the Proton e.Mas 5 at Rs 29.99 lakh in Nepal, so the Proton e.Mas 5 costs Rs 76,000 less (3%). On a single charge the BYD Atto 1 is rated for 230 km (WLTP) and the Proton e.Mas 5 for 225 km (WLTP). Battery sizes are 30.08 kWh and 30.12 kWh. Figures on this page are for the BYD Atto 1 Dynamic and the Proton e.Mas 5 Prime.

For fast charging, the BYD Atto 1 takes up to 65 kW DC and the Proton e.Mas 5 up to 53 kW. Boot space is 230 litres in the BYD Atto 1 and 375 litres in the Proton e.Mas 5. The BYD Atto 1 comes with a warranty of 5 years / 125,000 km, Battery: 10 years / 200,000 km.

What's different

Spec
BYD Atto 1Proton e.Mas 5
PriceRs 76,000 apartRs 30.75 lakhRs 29.99 lakh
Motor power13 kW apart45 kW58 kW
Boot space145 L apart230 L375 L
DC charging12 kW apart65 kW53 kW

Listed only on the BYD Atto 1: Emergency Braking (AEB), 360° Camera.

Listed only on the Proton e.Mas 5: Blind Spot Detection, Rear Cross Traffic Alert.

Full specifications

Engine and performance

5 of 5 differ
BYD Atto 1Proton e.Mas 5
Battery30.08 kWh30.12 kWh
Motor power45 kW58 kW
Max torque135 Nm130 Nm
Top speed130 km/h125 km/h
Acceleration7.9 s (0-100 km/h)Not listed

Range, mileage and charging

5 of 5 differ
BYD Atto 1Proton e.Mas 5
Range (WLTP)230 km225 km
Company claimed range230 km (WLTP)225 km (WLTP)
Fast charging30 kW DC, 30-80% in 30 minsNot listed
Max DC charging power65 kW53 kW
Home (AC) charging3.3 kW AC10-100% in ~5 hours (6.6 kW AC)

Brakes, suspension and tyres

4 of 4 differ
BYD Atto 1Proton e.Mas 5
Front brakeDiscNot listed
Rear brakeDiscNot listed
Front suspensionMacPherson StrutNot listed
Rear suspensionTorsion BeamNot listed

Size, weight and space

6 of 8 differ
BYD Atto 1Proton e.Mas 5
Length3925 mm4135 mm
Width1720 mm1805 mm
Height1590 mm1580 mm
Wheelbase2500 mm2650 mm
Ground clearance175 mm175 mm
Kerb weight1225 kg1230 kg
Seats55
Boot space230 litres375 litres

Ownership

3 of 3 differ
BYD Atto 1Proton e.Mas 5
Est. EMIRs 39,200/monthRs 38,200/month
Warranty5 years / 125,000 km, Battery: 10 years / 200,000 kmNot listed
ColoursWhite, Green, Blue, BlackMoonstone White, Graphite Silver, Slate Grey

Features

21 of 29 differ
BYD Atto 1Proton e.Mas 5
Airbags46
ABS / StabilityABS + EBD + ESP + TCSABS + EBD + ESP + TCS
TPMSYesYes
ISOFIXYesNot listed
Hill HoldYesYes
Hill Descent ControlNot listedYes
Cruise ControlAdaptive Cruise Control (ACC)No
Emergency Braking (AEB)YesNo
Forward Collision WarningYesNot listed
Lane AssistLKA + LDWNo
Blind Spot DetectionNoYes
Rear Cross Traffic AlertNoYes
360° CameraYesNo
Reverse CameraYesNot listed
Parking SensorsRearRear
Auto HoldYesYes
Climate ControlManualNot listed
Heated/Ventilated SeatsHeatedNot listed
Keyless Entry & StartYesYes
Drive ModesComfortNot listed
Electronic Parking BrakeYesNot listed
Infotainment10.1-inch Touchscreen14.6-inch FHD Touchscreen
Instrument Cluster7-inch Digital8.8-inch LCD
ConnectivityWireless Apple CarPlay + Android AutoApple CarPlay + Android Auto
Sound System4-speaker4 speakers
Connected Car TechYesNot listed
Regenerative BrakingYesYes
Vehicle-to-Load (V2L)YesYes
One-Pedal DrivingYesNot listed

Prices and specifications come from the Nepal distributors and manufacturers where published. "Not listed" means we could not verify a figure yet. EV range is shown as WLTP or a WLTP-equivalent estimate, with the company claim and its test cycle beside it. Real range and mileage vary with roads, load and riding style.

Which suits you?

The BYD Atto 1 may suit you if you want shorter fast-charging stops.

The Proton e.Mas 5 may suit you if you want to spend less or you need more boot space.

The BYD Atto 1 may suit you if

  • You want shorter fast-charging stops

The Proton e.Mas 5 may suit you if

  • You want to spend less
  • You need more boot space
  • You want more power
  • You want more airbags

Try both on your daily route and talk to each service centre before you decide.

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Prices and more comparisons

For every trim and the latest price, see BYD Atto 1 price in Nepal and Proton e.Mas 5 price in Nepal. Browse by budget: Electric cars under Rs 40 lakh in Nepal.

Related comparisons

BYD Atto 1 Dynamic vs Proton e.Mas 5 Prime FAQs

BYD Atto 1 or Proton e.Mas 5: which suits me in Nepal?
It depends on what you need; neither suits every buyer. The BYD Atto 1 may suit you if you want shorter fast-charging stops. The Proton e.Mas 5 may suit you if you want to spend less or you need more boot space.
What is the price difference between BYD Atto 1 and Proton e.Mas 5?
The BYD Atto 1 starts at Rs 30.75 lakh and the Proton e.Mas 5 at Rs 29.99 lakh in Nepal, so the Proton e.Mas 5 costs Rs 76,000 less (3%). Prices change with taxes and offers, so check each price page for the latest trims.
Which has more range, Atto 1 or e.Mas 5?
The BYD Atto 1 is rated for 230 km (WLTP) and the Proton e.Mas 5 for 225 km (WLTP). Real range in Nepal depends on hills, speed, load and air-conditioning use, so expect less than the rated figure on long climbs.
What battery do the BYD Atto 1 and Proton e.Mas 5 have?
The BYD Atto 1 has a 30.08 kWh battery and the Proton e.Mas 5 has a 30.12 kWh battery.
How fast do the BYD Atto 1 and Proton e.Mas 5 charge?
BYD Atto 1: 30 kW DC, 30-80% in 30 mins, up to 65 kW DC. Proton e.Mas 5: up to 53 kW DC.
Which is more powerful, Atto 1 or e.Mas 5?
The BYD Atto 1 makes 45 kW and the Proton e.Mas 5 makes 58 kW.
Which has more space, Atto 1 or e.Mas 5?
The BYD Atto 1 seats 5 and the Proton e.Mas 5 seats 5. Boot space is 230 litres against 375 litres.
Which has more ground clearance, Atto 1 or e.Mas 5?
The BYD Atto 1 has 175 mm of ground clearance and the Proton e.Mas 5 has 175 mm. Higher clearance helps on broken roads and speed breakers outside the valley.
What warranty do the BYD Atto 1 and Proton e.Mas 5 get in Nepal?
BYD Atto 1: 5 years / 125,000 km, Battery: 10 years / 200,000 km. Ask the dealer for the cover on the other model.