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Audi A6 Avant vs BMW iX comparison

Compare performance (367 HP vs 659 HP), boot space and price (49,700 £ vs 71,600 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or BMW iX?

Audi A6 Avant vs BMW iX: Key differences

Audi A6 Avant

  • clearly cheaper
  • noticeably lighter
  • barely more trunk space
details

BMW iX

4.2 (3 Reviews)
rate
  • considerably more power
  • significantly more electric range
  • visibly quicker 0–100 km/h
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

A6 Avant

Costs and Efficiency:

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

Audi A6 Avant is clearly cheaper – starting at 49,700 £ , while the BMW iX costs 71,600 £ . That’s a price difference of around 21,857 £.

As for electric range, the BMW iX offers significantly more range – reaching up to 701 km, about 600 km more than the Audi A6 Avant.

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 considerably more power – delivering 659 HP compared to 367 HP. That’s roughly 292 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW iX is visibly quicker – completing the sprint in 3.8 s, while the Audi A6 Avant takes 4.7 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the BMW iX delivers significantly more torque with 1,015 Nm compared to 580 Nm. That’s about 435 Nm more.

A6 Avant

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 Avant is noticeably lighter – 1,865 kg compared to 2,525 kg. The difference is around 660 kg.

Looking at boot space, the Audi A6 Avant offers barely more boot space – 503 L compared to 500 L. That’s a difference of about 3 L.

When it comes to payload, the BMW iX carries barely more – 575 kg compared to 570 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The BMW iX is clearly superior 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
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 Avant

The Audi A6 Avant wraps executive poise and usable practicality into an impeccably finished estate that makes everyday driving feel noticeably more grown-up. It serves up a calm, composed ride and clever packaging for buyers who want space and refinement without ostentation — the sensible choice that still manages to impress.

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Reviews Audi A6 Avant

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
49,700 - 70,200 £
Price
71,600 - 108,400 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
17.8 - 20.6 kWh/100km
Electric Range
94 - 101 km
Electric Range
600 - 701 km
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,865 - 2,240 kg
Curb weight
2,525 - 2,655 kg
Trunk capacity
404 - 503 L
Trunk capacity
500 L
Length
-
Length
-
Width
1,875 mm
Width
1,970 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
505 - 575 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 367 HP
Power HP
408 - 659 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
3.8 - 5.1 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
700 - 1,015 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
150 - 270 kW
Power kW
300 - 485 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
A
Brand
Audi
Brand
BMW
Is the Audi A6 Avant offered with different drivetrains?

The Audi A6 Avant is offered with 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.