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Audi A6 Avant vs BMW X6 comparison

Compare performance (367 HP vs 625 HP), boot space and price (49,700 £ vs 83,600 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or BMW X6?

Audi A6 Avant vs BMW X6: Key differences

Audi A6 Avant

  • considerably cheaper
  • considerably more efficient
  • clearly lighter

BMW X6

5 (1 Reviews)
rate
  • considerably more power
  • visibly quicker 0–100 km/h
  • slightly more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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 considerably cheaper – starting at 49,700 £ , while the BMW X6 costs 83,600 £ . That’s a price difference of around 33,857 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is considerably more efficient than the BMW X6 with 7.2 L/100km. The difference is about 4.9 L/100km.

X6

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW X6 offers considerably more power – delivering 625 HP compared to 367 HP. That’s roughly 258 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW X6 is visibly quicker – completing the sprint in 3.9 s, while the Audi A6 Avant takes 4.7 s. That’s about 0.8 s quicker.

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

There’s also a difference in torque: the BMW X6 delivers markedly more torque with 750 Nm compared to 580 Nm. That’s about 170 Nm more.

A6 Avant

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A6 Avant is clearly lighter – 1,865 kg compared to 2,240 kg. The difference is around 375 kg.

Looking at boot space, the BMW X6 offers slightly more boot space – 580 L compared to 503 L. That’s a difference of about 77 L.

For maximum load capacity, the Audi A6 Avant offers only slightly more capacity – up to 1,534 L, about 4 L more than the BMW X6.

When it comes to payload, the BMW X6 carries somewhat more – 695 kg compared to 570 kg. That’s a difference of about 125 kg.

Who wins the race in the data check?

The Audi A6 Avant stands 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.

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

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 X6

The BMW X6 wears its coupe-SUV looks like a tuxedo with oversized shoulders, turning everyday traffic into a catwalk whenever it glides past. It serves up sporty handling and a plush cabin with just enough practicality to keep daily life sane — perfect for buyers who crave drama without completely abandoning common sense.

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Reviews BMW X6

5 (1 Reviews)
rate
Ioana Annayse Simion
26 Jan 2026, 17:50:11

BMW IS BEST!!!!!!

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Audi A6 Avant
BMW X6

Costs and Consumption
Price
49,700 - 70,200 £
Price
83,600 - 146,400 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
7.2 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
94 - 101 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
188 - 288 g/km
Fuel tank capacity
56 - 60 L
Fuel tank capacity
83 L

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,865 - 2,240 kg
Curb weight
2,240 - 2,445 kg
Trunk capacity
404 - 503 L
Trunk capacity
580 L
Length
4,999 mm
Length
4,960 mm
Width
1,875 mm
Width
2,004 - 2,019 mm
Height
1,472 mm
Height
1,700 mm
Max trunk capacity
1,497 - 1,534 L
Max trunk capacity
1,530 L
Payload
535 - 570 kg
Payload
595 - 695 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV
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
298 - 625 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
3.9 - 6.1 s
Max Speed
238 - 250 km/h
Max Speed
250 km/h
Torque
340 - 580 Nm
Torque
540 - 750 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
150 - 270 kW
Power kW
219 - 460 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,993 - 4,395 cm3

General
Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
G
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.