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BMW XM vs Audi A6 Avant comparison

Compare performance (748 HP vs 367 HP), boot space and price (116,100 £ vs 49,700 £ ) at a glance. Find out which car is the better choice for you – BMW XM or Audi A6 Avant?

BMW XM vs Audi A6 Avant: Key differences

BMW XM

  • considerably more power
  • clearly quicker 0–100 km/h
  • only slightly more trunk space
details

Audi A6 Avant

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

By Achim Sedelmaier

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

XM

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi A6 Avant is considerably cheaper – starting at 49,700 £ , while the BMW XM costs 116,100 £ . That’s a price difference of around 66,428 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is significantly more efficient than the BMW XM with 4.7 L/100km. The difference is about 2.4 L/100km.

As for electric range, the Audi A6 Avant offers visibly more range – reaching up to 101 km, about 21 km more than the BMW XM.

A6 Avant

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 clearly 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 XM delivers clearly more torque with 1,000 Nm compared to 580 Nm. That’s about 420 Nm more.

XM

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

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

In terms of curb weight, Audi A6 Avant is clearly lighter – 1,865 kg compared to 2,695 kg. The difference is around 830 kg.

Looking at boot space, the BMW XM offers only slightly more boot space – 527 L compared to 503 L. That’s a difference of about 24 L.

When it comes to payload, the Audi A6 Avant carries only slightly more – 570 kg compared to 525 kg. That’s a difference of about 45 kg.

Who wins the race in the data check?

The Audi A6 Avant 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 £49,700
A6 Avant

Audi A6 Avant

  • Engine Type Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 367 HP
  • Consumption L/100km 2.3 - 7.5 L/100km
  • Electric Range 94 - 101 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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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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BMW XM
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Costs and Consumption
Price
116,100 - 159,300 £
Price
49,700 - 70,200 £
Consumption L/100km
4.7 - 5.3 L/100km
Consumption L/100km
2.3 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
78 - 80 km
Electric Range
94 - 101 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 119 g/km
co2
53 - 170 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Estate
Seats
7
Seats
5
Doors
-
Doors
-
Curb weight
2,695 - 2,795 kg
Curb weight
1,865 - 2,240 kg
Trunk capacity
527 L
Trunk capacity
404 - 503 L
Length
-
Length
-
Width
2,005 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
505 - 525 kg
Payload
535 - 570 kg

Engine and Performance
Engine Type
Plugin Hybrid
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
476 - 748 HP
Power HP
204 - 367 HP
Acceleration 0-100km/h
3.8 - 5.1 s
Acceleration 0-100km/h
4.7 - 8.3 s
Max Speed
-
Max Speed
-
Torque
700 - 1,000 Nm
Torque
340 - 580 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
350 - 550 kW
Power kW
150 - 270 kW
Engine capacity
2,998 - 4,395 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
C, D
CO2 Efficiency Class
F, D, E, B
Brand
BMW
Brand
Audi
What drive types are available for the BMW XM?

Available configurations include 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.