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Audi A3 Sportback vs BMW iX3 comparison

Compare performance (400 HP vs 469 HP), boot space and price (27,000 £ vs 54,300 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or BMW iX3?

Audi A3 Sportback vs BMW iX3: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • significantly cheaper
  • visibly quicker 0–100 km/h
  • substantially lighter
details

BMW iX3

4.6 (4 Reviews)
rate
  • a bit more power
  • substantially more electric range
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

A3 Sportback

Costs and Efficiency:

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

Audi A3 Sportback is significantly cheaper – starting at 27,000 £ , while the BMW iX3 costs 54,300 £ . That’s a price difference of around 27,342 £.

As for electric range, the BMW iX3 offers substantially more range – reaching up to 805 km, about 664 km more than the Audi A3 Sportback.

iX3

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 BMW iX3 offers a bit more power – delivering 469 HP compared to 400 HP. That’s roughly 69 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is visibly quicker – completing the sprint in 3.8 s, while the BMW iX3 takes 4.9 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the BMW iX3 delivers markedly more torque with 645 Nm compared to 500 Nm. That’s about 145 Nm more.

A3 Sportback

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, Audi A3 Sportback is substantially lighter – 1,360 kg compared to 2,360 kg. The difference is around 1,000 kg.

When it comes to payload, the Audi A3 Sportback carries marginally more – 480 kg compared to 465 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The BMW iX3 is slightly ahead 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 £54,300
iX3

BMW iX3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 320 - 469 HP
  • Consumption kWh/100km : 14.6 - 15.1 kWh/100km
  • Electric Range : 635 - 805 km
details

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Audi A3 Sportback
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A3 Sportback

The Audi A3 Sportback wraps premium materials and crisp German design into a practical hatchback package that makes daily driving feel smart rather than showy. It’s nimble in the city, composed on longer trips, and carries just enough swagger to satisfy buyers who want quality without shouting about it.

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Reviews Audi A3 Sportback

3.9 (1 Reviews)
rate

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

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.

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Reviews BMW iX3

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

Nice range, fast charging and… bidirectional charging!!

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BMW iX3

Costs and Consumption
Price
27,000 - 92,900 £
Price
54,300 - 66,300 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Electric Range
134 - 141 km
Electric Range
635 - 805 km
Battery Capacity
-
Battery Capacity
-
co2
25 - 211 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,360 - 1,685 kg
Curb weight
2,360 kg
Trunk capacity
280 - 380 L
Trunk capacity
-
Length
-
Length
-
Width
1,816 - 1,851 mm
Width
1,895 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 - 480 kg
Payload
465 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
116 - 400 HP
Power HP
320 - 469 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
4.9 - 5.9 s
Max Speed
-
Max Speed
-
Torque
220 - 500 Nm
Torque
500 - 645 Nm
Number of Cylinders
4 - 5
Number of Cylinders
-
Power kW
85 - 294 kW
Power kW
235 - 345 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
A
Brand
Audi
Brand
BMW
What drive types are available for the Audi A3 Sportback?

The Audi A3 Sportback is available as Front-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.