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Audi A6 Limousine vs BMW iX - Differences and prices compared

Compare performance (367 HP vs 659 HP), boot space and price (47600 £ vs 71600 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or BMW iX?

Audi A6 Limousine

BMW iX

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

A6 Limousine

Costs and Efficiency:

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

Audi A6 Limousine has a decisively advantage in terms of price – it starts at 47600 £ , while the BMW iX costs 71600 £ . That’s a price difference of around 24000 £.

As for electric range, the BMW iX performs clearly better – achieving 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 has a clearly edge – offering 659 HP compared to 367 HP. That’s roughly 292 HP more horsepower.

In acceleration from 0 to 100 km/h, the BMW iX is evident quicker – completing the sprint in 3.80 s, while the Audi A6 Limousine takes 4.70 s. That’s about 0.90 s faster.

There’s no difference in top speed – both reach 250 km/h.

There’s also a difference in torque: BMW iX pulls significantly stronger with 1015 Nm compared to 550 Nm. That’s about 465 Nm difference.

A6 Limousine

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In curb weight, Audi A6 Limousine is clearly perceptible lighter – 1845 kg compared to 2525 kg. The difference is around 680 kg.

In terms of boot space, the BMW iX offers hardly perceptible more room – 500 L compared to 492 L. That’s a difference of about 8 L.

When it comes to payload, Audi A6 Limousine slight takes the win – 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 sits well ahead of its rival 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 Limousine
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 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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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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Audi A6 Limousine
BMW iX

Costs and Consumption

Price
47600 - 68100 £
Price
71600 - 107100 £
Consumption L/100km
2.2 - 6.9 L
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
17.8 - 20.6 kWh
Electric Range
97 - 105 km
Electric Range
600 - 701 km
Battery Capacity
-
Battery Capacity
96 - 109.6 kWh
co2
49 - 157 g/km
co2
0 g/km
Fuel tank capacity
56 - 60 L
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1845 - 2220 kg
Curb weight
2525 - 2655 kg
Trunk capacity
354 - 492 L
Trunk capacity
500 L
Length
4999 mm
Length
4965 mm
Width
1875 mm
Width
1970 mm
Height
1452 mm
Height
1688 - 1695 mm
Max trunk capacity
-
Max trunk capacity
1750 L
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
243 - 250 km/h
Max Speed
200 - 250 km/h
Torque
340 - 550 Nm
Torque
700 - 1015 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
150 - 270 kW
Power kW
300 - 485 kW
Engine capacity
1968 - 2995 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 drive types are available for the Audi A6 Limousine?

Available configurations include Front-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.