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Audi A6 Limousine vs Citroen C5 Aircross comparison

Compare performance (367 HP vs 225 HP), boot space and price (47,600 £ vs 29,100 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or Citroen C5 Aircross?

Audi A6 Limousine vs Citroen C5 Aircross: Key differences

Audi A6 Limousine

  • visibly more power
  • a bit more efficient
  • clearly quicker 0–100 km/h
details

Citroen C5 Aircross

4.1 (7 Reviews)
rate
  • substantially cheaper
  • significantly more electric range
  • somewhat lighter
  • a bit more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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.

Citroen C5 Aircross is substantially cheaper – starting at 29,100 £ , while the Audi A6 Limousine costs 47,600 £ . That’s a price difference of around 18,437 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is a bit more efficient than the Citroen C5 Aircross with 2.5 L/100km. The difference is about 0.3 L/100km.

As for electric range, the Citroen C5 Aircross offers significantly more range – reaching up to 520 km, about 415 km more than the Audi A6 Limousine.

C5 Aircross

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 Audi A6 Limousine offers visibly more power – delivering 367 HP compared to 225 HP. That’s roughly 142 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 Limousine is clearly quicker – completing the sprint in 4.7 s, while the Citroen C5 Aircross takes 8.3 s. That’s about 3.6 s quicker.

There’s also a difference in torque: the Audi A6 Limousine delivers considerably more torque with 580 Nm compared to 300 Nm. That’s about 280 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, Citroen C5 Aircross is somewhat lighter – 1,629 kg compared to 1,845 kg. The difference is around 216 kg.

Looking at boot space, the Citroen C5 Aircross offers a bit more boot space – 565 L compared to 492 L. That’s a difference of about 73 L.

When it comes to payload, the Audi A6 Limousine carries visibly more – 625 kg compared to 471 kg. That’s a difference of about 154 kg.

Who wins the race in the data check?

The Audi A6 Limousine comes out clearly 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
Audi A6 Limousine
Citroen C5 Aircross

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.

details

Citroen C5 Aircross

The Citroën C5 Aircross feels like a sofa on wheels, delivering a calm, floaty ride and clever packaging that makes life with luggage and kids noticeably easier. Quirky French styling and a supremely practical, family-focused cabin mean it quietly wins hearts by prioritising comfort over showroom bravado.

details
Audi A6 Limousine
Citroen C5 Aircross

Costs and Consumption

Price
47,600 - 68,100 £
Price
29,100 - 43,000 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
2.5 - 5.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
17 kWh/100km
Electric Range
97 - 105 km
Electric Range
81 - 520 km
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
0 - 121 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,845 - 2,220 kg
Curb weight
1,629 - 2,184 kg
Trunk capacity
354 - 492 L
Trunk capacity
565 L
Length
-
Length
-
Width
1,875 mm
Width
1,870 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 625 kg
Payload
446 - 471 kg

Engine and Performance

Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Electric, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
204 - 367 HP
Power HP
145 - 225 HP
Acceleration 0-100km/h
4.7 - 8.2 s
Acceleration 0-100km/h
8.3 - 11.2 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
230 - 300 Nm
Number of Cylinders
4 - 6
Number of Cylinders
3 - 4
Power kW
150 - 270 kW
Power kW
107 - 165 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,199 - 1,598 cm3

General

Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
D, A, B
Brand
Audi
Brand
Citroen
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.