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BMW iX vs Audi A6 e-tron Sportback comparison

Compare performance (659 HP vs 551 HP), boot space and price (71,600 £ vs 53,800 £ ) at a glance. Find out which car is the better choice for you – BMW iX or Audi A6 e-tron Sportback?

BMW iX vs Audi A6 e-tron Sportback: Key differences

BMW iX

3.9 (1 Reviews)
rate
  • moderately more power
  • marginally quicker 0–100 km/h

Audi A6 e-tron Sportback

  • markedly cheaper
  • clearly more efficient
  • only slightly more electric range
  • somewhat lighter
  • barely 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

iX

Costs and Efficiency:

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

Audi A6 e-tron Sportback is markedly cheaper – starting at 53,800 £ , while the BMW iX costs 71,600 £ . That’s a price difference of around 17,743 £.

In terms of energy consumption, the Audi A6 e-tron Sportback is clearly more efficient: consuming 13.7 kWh/100km compared to 17.8 kWh/100km for the BMW iX. That’s a difference of about 4.1 kWh/100km.

As for electric range, the Audi A6 e-tron Sportback offers only slightly more range – reaching up to 754 km, about 53 km more than the BMW iX.

A6 e-tron Sportback

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 iX offers moderately more power – delivering 659 HP compared to 551 HP. That’s roughly 108 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW iX is marginally quicker – completing the sprint in 3.8 s, while the Audi A6 e-tron Sportback takes 3.9 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the BMW iX delivers a bit more torque with 1,015 Nm compared to 855 Nm. That’s about 160 Nm more.

iX

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 A6 e-tron Sportback is somewhat lighter – 2,175 kg compared to 2,525 kg. The difference is around 350 kg.

Looking at boot space, the Audi A6 e-tron Sportback offers barely more boot space – 502 L compared to 500 L. That’s a difference of about 2 L.

When it comes to payload, the BMW iX carries somewhat more – 575 kg compared to 500 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The Audi A6 e-tron Sportback 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 £53,800
A6 e-tron Sportback

Audi A6 e-tron Sportback

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 326 - 551 HP
  • Consumption kWh/100km : 13.7 - 16.3 kWh/100km
  • Electric Range : 572 - 754 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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P90464063_highRes_bmw-ix-m60-05-2022
P90464066_highRes_bmw-ix-m60-05-2022
P90464060_highRes_bmw-ix-m60-05-2022
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P90437462_highRes_the-first-ever-bmw-i

Reviews BMW iX

3.9 (1 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

Audi A6 e-tron Sportback

The Audi A6 e-tron Sportback wraps futuristic electric technology in elegant, coupe-like proportions, so you arrive looking sharp without shouting for attention. Inside, refined materials and a calm, driver-focused layout make it a convincing choice for buyers who want quiet, effortless performance with a dash of everyday practicality — the kind of car that raises eyebrows without saying a word.

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A244492_medium
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Reviews Audi A6 e-tron Sportback

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

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Audi A6 e-tron Sportback

Costs and Consumption
Price
71,600 - 108,400 £
Price
53,800 - 98,700 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
17.8 - 20.6 kWh/100km
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Electric Range
600 - 701 km
Electric Range
572 - 754 km
Battery Capacity
-
Battery Capacity
75.8 - 94.9 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,525 - 2,655 kg
Curb weight
2,175 - 2,400 kg
Trunk capacity
500 L
Trunk capacity
502 L
Length
-
Length
4,928 mm
Width
1,970 mm
Width
1,923 mm
Height
-
Height
1,465 - 1,487 mm
Max trunk capacity
-
Max trunk capacity
1,330 L
Payload
505 - 575 kg
Payload
470 - 500 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
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
408 - 659 HP
Power HP
326 - 551 HP
Acceleration 0-100km/h
3.8 - 5.1 s
Acceleration 0-100km/h
3.9 - 6 s
Max Speed
-
Max Speed
210 - 240 km/h
Torque
700 - 1,015 Nm
Torque
435 - 855 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
300 - 485 kW
Power kW
240 - 405 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,025
Model Year
2,024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BMW
Brand
Audi
Is the BMW iX offered with different drivetrains?

The BMW iX is offered with 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.