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smart #3 vs BYD Atto 3 comparison

Compare performance (272 HP vs 449 HP), boot space and price (42,000 £ vs 38,600 £ ) at a glance. Find out which car is the better choice for you – smart #3 or BYD Atto 3?

smart #3 vs BYD Atto 3: Key differences

smart #3

5 (1 Reviews)
rate
details

BYD Atto 3

4.7 (3 Reviews)
rate
  • only slightly cheaper
  • noticeably more power
  • somewhat more electric range
  • significantly quicker 0–100 km/h
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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

#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 only slightly cheaper – starting at 38,600 £ , while the smart #3 costs 42,000 £ . That’s a price difference of around 3,429 £.

As for electric range, the BYD Atto 3 offers somewhat more range – reaching up to 510 km, about 55 km more than the smart #3.

Atto 3

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BYD Atto 3 offers noticeably more power – delivering 449 HP compared to 272 HP. That’s roughly 177 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Atto 3 is significantly quicker – completing the sprint in 3.9 s, while the smart #3 takes 5.8 s. That’s about 1.9 s quicker.

There’s also a difference in torque: the BYD Atto 3 delivers markedly more torque with 560 Nm compared to 384 Nm. That’s about 176 Nm more.

#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.

Who wins the race in the data check?

The BYD Atto 3 is far ahead overall 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
  • Electric Range : 470 - 510 km
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Frequently compared as well

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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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smart #3
BYD Atto 3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

smart #3

The Smart #3 turns the brand's cheeky city-car attitude into a grown-up compact SUV, pairing sleek styling with a surprisingly roomy, well-made interior. It's a brilliant pick for buyers who want electric ease without dullness — practical enough for daily life, but still lively enough to make parking and grocery runs feel a little fun.

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smart-hashtag3-brabus-photon-orange-exterior-mallorca13
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smart-hashtag3-brabus-photon-orange-interior-mallorca3
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Reviews smart #3

5 (1 Reviews)
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Ronny
16 Oct 2025, 13:10:59

Handsome design, packed with advanced driver‑assist technology and stellar performance — all at an attractive price. Highly recommended, this car!

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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4CD0D607-8DF0-480E-92A0-FFE2DD0C2A7D
A4BCEC5F-F54A-4C81-8C3B-2C7767DF6D72
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AD877C78-5875-44DA-B1B6-1E99A05AC058

Reviews BYD Atto 3

4.7 (3 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

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smart #3
BYD Atto 3

Costs and Consumption
Price
42,000 £
Price
38,600 - 43,700 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.3 kWh/100km
Consumption kWh/100km
-
Electric Range
455 km
Electric Range
470 - 510 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
1,810 kg
Curb weight
-
Trunk capacity
370 L
Trunk capacity
-
Length
-
Length
-
Width
1,844 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
450 kg
Payload
-

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
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
272 HP
Power HP
313 - 449 HP
Acceleration 0-100km/h
5.8 s
Acceleration 0-100km/h
3.9 - 5.5 s
Max Speed
-
Max Speed
-
Torque
384 Nm
Torque
380 - 560 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
200 kW
Power kW
230 - 330 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
smart
Brand
BYD
What drivetrain options does the smart #3 have?

The smart #3 is available as Rear-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.