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Audi A6 Avant vs BMW X4 comparison

Compare performance (367 HP vs 510 HP), boot space and price (49,700 £ vs 51,900 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or BMW X4?

Audi A6 Avant vs BMW X4: Key differences

Audi A6 Avant

  • marginally cheaper
  • substantially more efficient
  • marginally lighter
details

BMW X4

  • visibly more power
  • clearly quicker 0–100 km/h
  • marginally more trunk space
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By Achim Sedelmaier

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

A6 Avant

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 Avant is marginally cheaper – starting at 49,700 £ , while the BMW X4 costs 51,900 £ . That’s a price difference of around 2,143 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is substantially more efficient than the BMW X4 with 6 L/100km. The difference is about 3.7 L/100km.

X4

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 X4 offers visibly more power – delivering 510 HP compared to 367 HP. That’s roughly 143 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW X4 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 X4 delivers moderately more torque with 700 Nm compared to 580 Nm. That’s about 120 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 marginally lighter – 1,865 kg compared to 1,875 kg. The difference is around 10 kg.

Looking at boot space, the BMW X4 offers marginally more boot space – 525 L compared to 503 L. That’s a difference of about 22 L.

When it comes to payload, the Audi A6 Avant carries only slightly more – 570 kg compared to 545 kg. That’s a difference of about 25 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
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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

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BMW X4

The BMW X4 blends coupe-like styling with SUV practicality, giving you a striking profile that never lets you disappear into traffic. It feels planted and keen behind the wheel, and for buyers who crave personality without sacrificing everyday usability, it’s a compelling and slightly mischievous choice.

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Reviews BMW X4

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Audi A6 Avant
BMW X4

Costs and Consumption
Price
49,700 - 70,200 £
Price
51,900 - 93,000 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
6 - 10.7 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
156 - 244 g/km
Fuel tank capacity
-
Fuel tank capacity
65 - 68 L

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,865 - 2,240 kg
Curb weight
1,875 - 2,095 kg
Trunk capacity
404 - 503 L
Trunk capacity
525 L
Length
-
Length
4,751 - 4,754 mm
Width
1,875 mm
Width
1,918 - 1,938 mm
Height
-
Height
1,620 - 1,621 mm
Max trunk capacity
-
Max trunk capacity
1,430 L
Payload
535 - 570 kg
Payload
415 - 545 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Petrol
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
184 - 510 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
3.8 - 8.4 s
Max Speed
-
Max Speed
213 - 250 km/h
Torque
340 - 580 Nm
Torque
300 - 700 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
150 - 270 kW
Power kW
135 - 375 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,995 - 2,998 cm3

General
Model Year
2025
Model Year
2,023 - 2,024
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
F, 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.