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Audi A5 Sportback vs BMW iX3 comparison

Compare performance (639 HP vs 469 HP), boot space and price (40,200 £ vs 54,300 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or BMW iX3?

Audi A5 Sportback vs BMW iX3: Key differences

Audi A5 Sportback

  • markedly cheaper
  • markedly more power
  • clearly quicker 0–100 km/h
  • noticeably lighter
details

BMW iX3

4.6 (4 Reviews)
rate
  • significantly 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

A5 Sportback

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.

Audi A5 Sportback is markedly cheaper – starting at 40,200 £ , while the BMW iX3 costs 54,300 £ . That’s a price difference of around 14,142 £.

As for electric range, the BMW iX3 offers significantly more range – reaching up to 805 km, about 695 km more than the Audi A5 Sportback.

iX3

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 Audi A5 Sportback offers markedly more power – delivering 639 HP compared to 469 HP. That’s roughly 170 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is clearly quicker – completing the sprint in 3.7 s, while the BMW iX3 takes 4.9 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers clearly more torque with 825 Nm compared to 645 Nm. That’s about 180 Nm more.

A5 Sportback

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A5 Sportback is noticeably lighter – 1,770 kg compared to 2,360 kg. The difference is around 590 kg.

When it comes to payload, the Audi A5 Sportback carries somewhat more – 530 kg compared to 465 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The Audi A5 Sportback sits just 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 £40,200
A5 Sportback

Audi A5 Sportback

  • Engine Type : Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 150 - 639 HP
  • Consumption L/100km : 2 - 7.6 L/100km
  • Electric Range : 84 - 110 km
Audi A5 Sportback
BMW iX3

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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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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Audi A5 Sportback
BMW iX3

Costs and Consumption

Price
40,200 - 91,000 £
Price
54,300 - 66,300 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Electric Range
84 - 110 km
Electric Range
635 - 805 km
Battery Capacity
-
Battery Capacity
-
co2
45 - 172 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
1,770 - 2,430 kg
Curb weight
2,360 kg
Trunk capacity
331 L
Trunk capacity
-
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,895 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 530 kg
Payload
465 kg

Engine and Performance

Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
150 - 639 HP
Power HP
320 - 469 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
4.9 - 5.9 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
500 - 645 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
110 - 470 kW
Power kW
235 - 345 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
-

General

Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
A
Brand
Audi
Brand
BMW
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.