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BYD Atto 3 vs smart #1 comparison

Compare performance (449 HP vs 368 HP), boot space and price (38,600 £ vs 40,700 £ ) at a glance. Find out which car is the better choice for you – BYD Atto 3 or smart #1?

BYD Atto 3 vs smart #1: Key differences

BYD Atto 3

4.5 (4 Reviews)
rate
  • very slightly cheaper
  • somewhat more power
  • somewhat more efficient
  • clearly more electric range
  • noticeably quicker 0–100 km/h
  • barely lighter
  • noticeably more trunk space
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smart #1

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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

Atto 3

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BYD Atto 3 is very slightly cheaper – starting at 38,600 £ , while the smart #1 costs 40,700 £ . That’s a price difference of around 2,143 £.

In terms of energy consumption, the BYD Atto 3 is somewhat more efficient: consuming 16.4 kWh/100km compared to 18.2 kWh/100km for the smart #1. That’s a difference of about 1.8 kWh/100km.

As for electric range, the BYD Atto 3 offers clearly more range – reaching up to 510 km, about 110 km more than the smart #1.

#1

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the BYD Atto 3 offers somewhat more power – delivering 449 HP compared to 368 HP. That’s roughly 81 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Atto 3 is noticeably quicker – completing the sprint in 3.9 s, while the smart #1 takes 4.9 s. That’s about 1 s quicker.

There’s also a difference in torque: the BYD Atto 3 delivers moderately more torque with 560 Nm compared to 470 Nm. That’s about 90 Nm more.

Atto 3

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, BYD Atto 3 is barely lighter – 1,880 kg compared to 1,900 kg. The difference is around 20 kg.

Looking at boot space, the BYD Atto 3 offers noticeably more boot space – 490 L compared to 313 L. That’s a difference of about 177 L.

When it comes to payload, the BYD Atto 3 carries a bit more – 530 kg compared to 425 kg. That’s a difference of about 105 kg.

Who wins the race in the data check?

The BYD Atto 3 holds a decisive overall lead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £38,600
Atto 3

BYD Atto 3

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 313 - 449 HP
  • Consumption kWh/100km 16.4 - 17.8 kWh/100km
  • Electric Range 470 - 510 km
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Frequently compared as well

BYD Atto 3
BYD Atto 2
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Choosing between the BYD Atto 3 and BYD Atto 2 comes down to whether you need more range, space and performance or a smaller, more affordable city EV. The Atto 3 delivers stronger power, longer driving range and more interior room, while the Atto 2 focuses on compact dimensions, efficiency and …
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BYD Atto 3
smart #1

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BYD Atto 3

The BYD Atto 3 is an electric crossover that blends a distinctive, modern design with a comfortable, well-equipped cabin suited to everyday family use. It offers a relaxed, smooth driving feel and practical running costs, making it a sensible choice if you want an uncomplicated, value-focused EV.

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Reviews BYD Atto 3

4.5 (4 Reviews)
rate
BERNARD
17 Apr 2026, 12:36:55

It seems to better meet my expectations when it comes to fuel economy and overall efficiency.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

smart #1

The Smart #1 feels like a breath of fresh air in the compact EV world, pairing playful styling with usable space and a cabin that punches above its size. It skips the fuss and delivers an easygoing, city-friendly driving experience with clever features that make it a sensible, slightly cheeky choice for everyday motoring.

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Reviews smart #1

No reviews yet. Share your experience and help others decide.

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BYD Atto 3
smart #1

Costs and Consumption
Price
38,600 - 43,700 £
Price
40,700 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.4 - 17.8 kWh/100km
Consumption kWh/100km
18.2 kWh/100km
Electric Range
470 - 510 km
Electric Range
400 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,880 - 1,990 kg
Curb weight
1,900 kg
Trunk capacity
490 L
Trunk capacity
313 L
Length
-
Length
-
Width
1,875 mm
Width
1,822 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
530 kg
Payload
425 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
313 - 449 HP
Power HP
368 HP
Acceleration 0-100km/h
3.9 - 5.5 s
Acceleration 0-100km/h
4.9 s
Max Speed
-
Max Speed
-
Torque
380 - 560 Nm
Torque
470 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
230 - 330 kW
Power kW
271 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BYD
Brand
smart
Is the BYD Atto 3 offered with different drivetrains?

The BYD Atto 3 is offered with Rear-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.