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Audi A5 Sportback vs BMW iX comparison

Compare performance (639 HP vs 659 HP), boot space and price (40,200 £ vs 71,600 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or BMW iX?

Audi A5 Sportback vs BMW iX: Key differences

Audi A5 Sportback

  • clearly cheaper
  • only slightly quicker 0–100 km/h
  • clearly lighter
details

BMW iX

4.2 (3 Reviews)
rate
  • very slightly more power
  • significantly more electric range
  • markedly more trunk space
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:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi A5 Sportback is clearly cheaper – starting at 40,200 £ , while the BMW iX costs 71,600 £ . That’s a price difference of around 31,371 £.

As for electric range, the BMW iX offers significantly more range – reaching up to 701 km, about 591 km more than the Audi A5 Sportback.

iX

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 iX offers very slightly more power – delivering 659 HP compared to 639 HP. That’s roughly 20 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is only slightly quicker – completing the sprint in 3.7 s, while the BMW iX takes 3.8 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the BMW iX delivers moderately more torque with 1,015 Nm compared to 825 Nm. That’s about 190 Nm more.

A5 Sportback

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, Audi A5 Sportback is clearly lighter – 1,770 kg compared to 2,525 kg. The difference is around 755 kg.

Looking at boot space, the BMW iX offers markedly more boot space – 500 L compared to 331 L. That’s a difference of about 169 L.

When it comes to payload, the BMW iX carries only slightly more – 575 kg compared to 530 kg. That’s a difference of about 45 kg.

Who wins the race in the data check?

The BMW iX 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 £71,600
iX

BMW iX

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 408 - 659 HP
  • Consumption kWh/100km 17.8 - 20.6 kWh/100km
  • Electric Range 600 - 701 km
details

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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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Reviews Audi A5 Sportback

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

BMW iX

The BMW iX arrives like a tech-rich luxury SUV that refuses to shout, offering a serene yet authoritative road presence that suits both city commutes and long-distance cruising. Inside, its minimalist cabin wraps high-quality materials and clever interfaces around a driver-focused layout, making it feel more like a forward-thinking lounge than just another electric appliance — and yes, it still delivers the dynamic driving character you'd expect from a BMW.

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Reviews BMW iX

4.2 (3 Reviews)
rate
Massimiliano La Vignma
5 Feb 2026, 13:42:39

Innovative, with generous interior space but at the expense of the boot. I have an M60 — strong acceleration and excellent self-charging, especially on the motorway.

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 iX

Costs and Consumption
Price
40,200 - 91,000 £
Price
71,600 - 108,400 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
17.8 - 20.6 kWh/100km
Electric Range
84 - 110 km
Electric Range
600 - 701 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
2,525 - 2,655 kg
Trunk capacity
331 L
Trunk capacity
500 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,970 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 530 kg
Payload
505 - 575 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
Power HP
150 - 639 HP
Power HP
408 - 659 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
3.8 - 5.1 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
700 - 1,015 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
110 - 470 kW
Power kW
300 - 485 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
A
Brand
Audi
Brand
BMW
What drivetrain options does the Audi A5 Sportback have?

The Audi A5 Sportback is available as All-Wheel Drive or Front-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.