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Audi A6 e-tron Sportback vs BMW iX - Differences and prices compared

Compare performance (551 HP vs 659 HP), boot space and price (53800 £ vs 71600 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or BMW iX?

Audi A6 e-tron Sportback

BMW iX

Here’s where it gets real: The technical differences in detail

A6 e-tron 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 A6 e-tron Sportback has a distinct advantage in terms of price – it starts at 53800 £ , while the BMW iX costs 71600 £ . That’s a price difference of around 17743 £.

In terms of energy consumption, the advantage goes to the Audi A6 e-tron Sportback: with 13.70 kWh per 100 km, it’s noticeable more efficient than the BMW iX with 17.80 kWh. That’s a difference of about 4.10 kWh.

As for electric range, the Audi A6 e-tron Sportback performs slight better – achieving up to 754 km, about 53 km more than the BMW iX.

iX

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW iX has a a bit edge – offering 659 HP compared to 551 HP. That’s roughly 108 HP more horsepower.

In acceleration from 0 to 100 km/h, the BMW iX is minimal quicker – completing the sprint in 3.80 s, while the Audi A6 e-tron Sportback takes 3.90 s. That’s about 0.10 s faster.

In terms of top speed, the BMW iX performs hardly perceptible better – reaching 250 km/h, while the Audi A6 e-tron Sportback tops out at 240 km/h. The difference is around 10 km/h.

There’s also a difference in torque: BMW iX pulls a bit stronger with 1015 Nm compared to 855 Nm. That’s about 160 Nm difference.

A6 e-tron 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 curb weight, Audi A6 e-tron Sportback is somewhat lighter – 2175 kg compared to 2525 kg. The difference is around 350 kg.

In terms of boot space, the Audi A6 e-tron Sportback offers slight more room – 502 L compared to 500 L. That’s a difference of about 2 L.

In maximum load capacity, the BMW iX performs noticeable better – up to 1750 L, which is about 420 L more than the Audi A6 e-tron Sportback.

When it comes to payload, BMW iX slightly takes the win – 575 kg compared to 500 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The BMW iX 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.

Audi A6 e-tron Sportback
BMW iX

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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from about £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
  • Electric Range : 600 - 701 km

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.

details

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.

details
Audi A6 e-tron Sportback
BMW iX

Costs and Consumption

Price
53800 - 98700 £
Price
71600 - 107100 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.7 - 16.3 kWh
Consumption kWh/100km
17.8 - 20.6 kWh
Electric Range
572 - 754 km
Electric Range
600 - 701 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
96 - 109.6 kWh
co2
0 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
5
Doors
5
Curb weight
2175 - 2400 kg
Curb weight
2525 - 2655 kg
Trunk capacity
502 L
Trunk capacity
500 L
Length
4928 mm
Length
4965 mm
Width
1923 mm
Width
1970 mm
Height
1465 - 1487 mm
Height
1688 - 1695 mm
Max trunk capacity
1330 L
Max trunk capacity
1750 L
Payload
470 - 500 kg
Payload
505 - 575 kg

Engine and Performance

Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
326 - 551 HP
Power HP
408 - 659 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
3.8 - 5.1 s
Max Speed
210 - 240 km/h
Max Speed
200 - 250 km/h
Torque
435 - 855 Nm
Torque
700 - 1015 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
240 - 405 kW
Power kW
300 - 485 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2024
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
BMW
What drivetrain options does the Audi A6 e-tron Sportback have?

The Audi A6 e-tron Sportback is available as Rear-Wheel Drive or All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.