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Audi A6 Limousine vs BMW X4 comparison

Compare performance (367 HP vs 510 HP), boot space and price (47,600 £ vs 51,900 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or BMW X4?

Audi A6 Limousine vs BMW X4: Key differences

Audi A6 Limousine

  • only slightly cheaper
  • substantially more efficient
  • marginally lighter
details

BMW X4

  • markedly 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 Limousine

Costs and Efficiency:

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

Audi A6 Limousine is only slightly cheaper – starting at 47,600 £ , while the BMW X4 costs 51,900 £ . That’s a price difference of around 4,286 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is substantially more efficient than the BMW X4 with 6 L/100km. The difference is about 3.8 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 markedly 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 Limousine takes 4.7 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the BMW X4 delivers somewhat more torque with 700 Nm compared to 580 Nm. That’s about 120 Nm more.

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 terms of curb weight, Audi A6 Limousine is marginally lighter – 1,845 kg compared to 1,875 kg. The difference is around 30 kg.

Looking at boot space, the BMW X4 offers marginally more boot space – 525 L compared to 492 L. That’s a difference of about 33 L.

When it comes to payload, the Audi A6 Limousine carries somewhat more – 625 kg compared to 545 kg. That’s a difference of about 80 kg.

Who wins the race in the data check?

The Audi A6 Limousine is clearly superior overall 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
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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

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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 Limousine
BMW X4

Costs and Consumption
Price
47,600 - 68,100 £
Price
51,900 - 93,000 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
6 - 10.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
97 - 105 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
156 - 244 g/km
Fuel tank capacity
-
Fuel tank capacity
65 - 68 L

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,845 - 2,220 kg
Curb weight
1,875 - 2,095 kg
Trunk capacity
354 - 492 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 - 625 kg
Payload
415 - 545 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol 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 - 8.2 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
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.