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Audi A6 Limousine vs BMW XM comparison

Compare performance (367 HP vs 748 HP), boot space and price (47,600 £ vs 116,100 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or BMW XM?

Audi A6 Limousine vs BMW XM: Key differences

Audi A6 Limousine

  • significantly cheaper
  • significantly more efficient
  • clearly more electric range
  • clearly lighter
details

BMW XM

4.7 (1 Reviews)
rate
  • considerably more power
  • visibly quicker 0–100 km/h
  • very slightly more trunk space
details

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 XM costs 116,100 £ . That’s a price difference of around 68,571 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is significantly more efficient than the BMW XM with 4.7 L/100km. The difference is about 2.5 L/100km.

As for electric range, the Audi A6 Limousine offers clearly more range – reaching up to 105 km, about 25 km more than the BMW XM.

XM

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 XM offers considerably more power – delivering 748 HP compared to 367 HP. That’s roughly 381 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW XM 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 XM delivers considerably more torque with 1,000 Nm compared to 580 Nm. That’s about 420 Nm more.

A6 Limousine

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.

Seats: BMW XM offers more seats – 7 vs 5.

In terms of curb weight, Audi A6 Limousine is clearly lighter – 1,845 kg compared to 2,695 kg. The difference is around 850 kg.

Looking at boot space, the BMW XM offers very slightly more boot space – 527 L compared to 492 L. That’s a difference of about 35 L.

When it comes to payload, the Audi A6 Limousine carries slightly more – 625 kg compared to 525 kg. That’s a difference of about 100 kg.

Who wins the race in the data check?

The Audi A6 Limousine is decisively ahead 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 £47,600
A6 Limousine

Audi A6 Limousine

  • Engine Type Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 367 HP
  • Consumption L/100km 2.2 - 7.3 L/100km
  • Electric Range 97 - 105 km
details

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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 XM

The BMW XM is an unapologetically bold flagship that fuses brash, hyper-styled presence with the kind of luxury that commands attention wherever it goes. Inside it's a leather-clad showpiece loaded with modern tech and a driving personality that blends theatrical muscle with refined grand-tourer composure—ideal for buyers who want drama and comfort in equal measure.

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Reviews BMW XM

4.7 (1 Reviews)
rate

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

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Costs and Consumption
Price
47,600 - 68,100 £
Price
116,100 - 159,300 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
4.7 - 5.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
97 - 105 km
Electric Range
78 - 80 km
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
105 - 119 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
-
Curb weight
1,845 - 2,220 kg
Curb weight
2,695 - 2,795 kg
Trunk capacity
354 - 492 L
Trunk capacity
527 L
Length
-
Length
-
Width
1,875 mm
Width
2,005 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 625 kg
Payload
505 - 525 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 367 HP
Power HP
476 - 748 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 - 1,000 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
150 - 270 kW
Power kW
350 - 550 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,998 - 4,395 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
C, D
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.