VS

smart #3 vs BYD Atto 2 comparison

Compare performance (428 HP vs 212 HP), boot space and price (34,700 £ vs 27,400 £ ) at a glance. Find out which car is the better choice for you – smart #3 or BYD Atto 2?

smart #3 vs BYD Atto 2: Key differences

smart #3

5 (1 Reviews)
rate
  • substantially more power
  • only slightly more electric range
  • considerably quicker 0–100 km/h

BYD Atto 2

5 (3 Reviews)
rate
  • visibly cheaper
  • barely more efficient
  • moderately lighter
  • slightly more trunk space

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

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

#3

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BYD Atto 2 is visibly cheaper – starting at 27,400 £ , while the smart #3 costs 34,700 £ . That’s a price difference of around 7,285 £.

In terms of energy consumption, the BYD Atto 2 is barely more efficient: consuming 15.8 kWh/100km compared to 16.3 kWh/100km for the smart #3. That’s a difference of about 0.5 kWh/100km.

As for electric range, the smart #3 offers only slightly more range – reaching up to 455 km, about 25 km more than the BYD Atto 2.

Atto 2

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the smart #3 offers substantially more power – delivering 428 HP compared to 212 HP. That’s roughly 216 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #3 is considerably quicker – completing the sprint in 3.7 s, while the BYD Atto 2 takes 7.5 s. That’s about 3.8 s quicker.

There’s also a difference in torque: the smart #3 delivers substantially more torque with 584 Nm compared to 310 Nm. That’s about 274 Nm more.

#3

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, BYD Atto 2 is moderately lighter – 1,510 kg compared to 1,780 kg. The difference is around 270 kg.

Looking at boot space, the BYD Atto 2 offers slightly more boot space – 450 L compared to 370 L. That’s a difference of about 80 L.

When it comes to payload, the BYD Atto 2 carries marginally more – 490 kg compared to 450 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The smart #3 is clearly superior 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 £34,700
#3

smart #3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 428 HP
  • Consumption kWh/100km : 16.3 - 17.6 kWh/100km
  • Electric Range : 325 - 455 km
details

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smart #3
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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.

details
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Reviews smart #3

5 (1 Reviews)
rate
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 2

The Atto 2 is making waves in the electric vehicle market with its sleek design and impressive range. This innovative model combines cutting-edge technology with captivating aesthetics, making it a standout choice for eco-conscious drivers. With its spacious interior and advanced features, the Atto 2 offers both comfort and convenience for everyday use.

details
atto2 Kopie
byd-atto2-interior-01-m

Reviews BYD Atto 2

5 (3 Reviews)
rate
Carlos Aguilar
5 Feb 2026, 13:15:18

I've done 6,000 km and I'm delighted. I haven't tried other EVs, but I'm thrilled with the BYD Atto 2. It's true I don't go on long trips — I do everything in the city and nearby, about 100 to 150 km a day — and honestly it's been great in every way. When I hit 300,000 km I'll tell you again. Haha

How do you mainly use this car? (optional): Company car / Business
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 2

Costs and Consumption
Price
34,700 - 45,800 £
Price
27,400 - 36,000 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.3 - 17.6 kWh/100km
Consumption kWh/100km
15.8 - 16 kWh/100km
Electric Range
325 - 455 km
Electric Range
40 - 430 km
Battery Capacity
47 - 62 kWh
Battery Capacity
-
co2
0 g/km
co2
0 - 41 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,780 - 1,910 kg
Curb weight
1,510 - 1,720 kg
Trunk capacity
370 L
Trunk capacity
400 - 450 L
Length
4,400 mm
Length
-
Width
1,844 mm
Width
1,830 mm
Height
1,556 mm
Height
-
Max trunk capacity
1,160 L
Max trunk capacity
-
Payload
419 - 450 kg
Payload
260 - 490 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
272 - 428 HP
Power HP
166 - 212 HP
Acceleration 0-100km/h
3.7 - 5.8 s
Acceleration 0-100km/h
7.5 - 9.1 s
Max Speed
180 km/h
Max Speed
-
Torque
343 - 584 Nm
Torque
290 - 310 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
200 - 315 kW
Power kW
122 - 156 kW
Engine capacity
-
Engine capacity
1,498 cm3

General
Model Year
2,023 - 2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
A, B
Brand
smart
Brand
BYD
What drivetrain options does the smart #3 have?

The smart #3 is available as 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.