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BMW iX3 vs BYD Atto 3 comparison

Compare performance (469 HP vs 449 HP), boot space and price (54,300 £ vs 38,600 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or BYD Atto 3?

BMW iX3 vs BYD Atto 3: Key differences

BMW iX3

4.6 (4 Reviews)
rate
  • only slightly more power
  • slightly more efficient
  • noticeably more electric range
details

BYD Atto 3

4.1 (7 Reviews)
rate
  • significantly cheaper
  • visibly quicker 0–100 km/h
  • clearly lighter
details

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

iX3

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BYD Atto 3 is significantly cheaper – starting at 38,600 £ , while the BMW iX3 costs 54,300 £ . That’s a price difference of around 15,780 £.

In terms of energy consumption, the BMW iX3 is slightly more efficient: consuming 14.6 kWh/100km compared to 16.4 kWh/100km for the BYD Atto 3. That’s a difference of about 1.8 kWh/100km.

As for electric range, the BMW iX3 offers noticeably more range – reaching up to 805 km, about 295 km more than the BYD Atto 3.

Atto 3

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 BMW iX3 offers only slightly more power – delivering 469 HP compared to 449 HP. That’s roughly 20 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Atto 3 is visibly quicker – completing the sprint in 3.9 s, while the BMW iX3 takes 4.9 s. That’s about 1 s quicker.

There’s also a difference in torque: the BMW iX3 delivers moderately more torque with 645 Nm compared to 560 Nm. That’s about 85 Nm more.

iX3

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 3 is clearly lighter – 1,880 kg compared to 2,360 kg. The difference is around 480 kg.

When it comes to payload, the BYD Atto 3 carries slightly more – 530 kg compared to 465 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The BYD Atto 3 shows a few small advantages 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
details

Frequently compared as well

BMW iX3
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BMW iX3
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW iX3

The BMW iX3 is an electric SUV that delivers the composed, premium driving experience BMW buyers expect. With a calm, refined cabin and practical everyday usability, it’s a strong choice for those who want electric motoring without giving up luxury and comfort.

details
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P90626566_lowRes_the-new-bmw-ix3-50-x

Reviews BMW iX3

4.6 (4 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

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.

details
5F27650C-A457-4BA8-ABBF-B0A381081F50
4CD0D607-8DF0-480E-92A0-FFE2DD0C2A7D
A4BCEC5F-F54A-4C81-8C3B-2C7767DF6D72
E96AFF07-FF39-4455-88FE-E60F4D607FE6
AD877C78-5875-44DA-B1B6-1E99A05AC058

Reviews BYD Atto 3

4.1 (7 Reviews)
rate
Marinos manolessos
21 Jun 2026, 19:22:18

More quicker better price better equipped rwd move

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
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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BMW iX3
BYD Atto 3

Costs and Consumption
Price
54,300 - 66,300 £
Price
38,600 - 43,700 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Consumption kWh/100km
16.4 - 17.8 kWh/100km
Electric Range
635 - 805 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
2,360 kg
Curb weight
1,880 - 1,990 kg
Trunk capacity
-
Trunk capacity
490 L
Length
-
Length
-
Width
1,895 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
465 kg
Payload
530 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
320 - 469 HP
Power HP
313 - 449 HP
Acceleration 0-100km/h
4.9 - 5.9 s
Acceleration 0-100km/h
3.9 - 5.5 s
Max Speed
-
Max Speed
-
Torque
500 - 645 Nm
Torque
380 - 560 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
235 - 345 kW
Power kW
230 - 330 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BMW
Brand
BYD
What drive types are available for the BMW iX3?

Available configurations include All-Wheel Drive or 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.