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Audi A6 Limousine vs BMW iX comparison

Compare performance (367 HP vs 659 HP), boot space and price (47,600 £ vs 71,600 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or BMW iX?

Audi A6 Limousine vs BMW iX: Key differences

Audi A6 Limousine

  • significantly cheaper
  • markedly lighter
details

BMW iX

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

A6 Limousine

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Audi A6 Limousine is significantly cheaper – starting at 47,600 £ , while the BMW iX costs 71,600 £ . That’s a price difference of around 24,000 £.

As for electric range, the BMW iX offers clearly more range – reaching up to 701 km, about 596 km more than the Audi A6 Limousine.

iX

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 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 Limousine takes 4.7 s. That’s about 0.9 s quicker.

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

A6 Limousine

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 Limousine is markedly lighter – 1,845 kg compared to 2,525 kg. The difference is around 680 kg.

Looking at boot space, the BMW iX offers only slightly more boot space – 500 L compared to 492 L. That’s a difference of about 8 L.

When it comes to payload, the Audi A6 Limousine carries only slightly more – 625 kg compared to 575 kg. That’s a difference of about 50 kg.

Who wins the race in the data check?

The BMW iX holds a decisive overall lead 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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Audi A6 Limousine
BMW iX

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 Limousine

The Audi A6 cuts a clean, purposeful silhouette with an interior that feels like a quiet, high-tech office on wheels—luxurious materials and clever gadgets make long journeys surprisingly pleasant. It balances composed, confident driving with enough flair to keep you entertained, making it a sensible choice for buyers who want executive polish without showing off.

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Reviews Audi A6 Limousine

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)
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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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Audi A6 Limousine
BMW iX

Costs and Consumption
Price
47,600 - 68,100 £
Price
71,600 - 108,400 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
17.8 - 20.6 kWh/100km
Electric Range
97 - 105 km
Electric Range
600 - 701 km
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,845 - 2,220 kg
Curb weight
2,525 - 2,655 kg
Trunk capacity
354 - 492 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 - 625 kg
Payload
505 - 575 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol 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 - 8.2 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
What drivetrain options does the Audi A6 Limousine have?

Available configurations include 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.