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Audi A6 Avant vs Citroen C5 Aircross comparison

Compare performance (367 HP vs 225 HP), boot space and price (49,700 £ vs 29,100 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Citroen C5 Aircross?

Audi A6 Avant vs Citroen C5 Aircross: Key differences

Audi A6 Avant

  • clearly more power
  • only slightly more efficient
  • substantially quicker 0–100 km/h
details

Citroen C5 Aircross

3.9 (5 Reviews)
rate
  • clearly cheaper
  • considerably more electric range
  • somewhat lighter
  • slightly more trunk space
details

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 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.

Citroen C5 Aircross is clearly cheaper – starting at 29,100 £ , while the Audi A6 Avant costs 49,700 £ . That’s a price difference of around 20,580 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is only slightly more efficient than the Citroen C5 Aircross with 2.5 L/100km. The difference is about 0.2 L/100km.

As for electric range, the Citroen C5 Aircross offers considerably more range – reaching up to 520 km, about 419 km more than the Audi A6 Avant.

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 Avant offers clearly 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 Avant is substantially 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 Avant delivers considerably more torque with 580 Nm compared to 300 Nm. That’s about 280 Nm more.

A6 Avant

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 1,865 kg. The difference is around 236 kg.

Looking at boot space, the Citroen C5 Aircross offers slightly more boot space – 565 L compared to 503 L. That’s a difference of about 62 L.

When it comes to payload, the Audi A6 Avant carries moderately more – 570 kg compared to 471 kg. That’s a difference of about 99 kg.

Who wins the race in the data check?

The Audi A6 Avant comes out modestly 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 £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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Frequently compared as well

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The Audi A5 Avant is the stylish, nimble estate that turns everyday runs into a bit of a pleasure drive, whereas the Audi A6 Avant trades some of that sporting charm for a roomier cabin, extra tech and a composed motorway demeanour. Choose the A5 if you crave sharper looks and livelier handling, …
Citroen C5 Aircross
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Audi A6 Avant
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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.

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.

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Reviews Citroen C5 Aircross

3.9 (5 Reviews)
rate
Claude Juillet
3 May 2026, 14:17:36

I drive the 1.2 petrol hybrid from new since January 2026, which was registered in November 2025. Great car to drive. However, for tall person like myself, there is not enough room for your left keg to stretch and cramps happen in long journeys. Acceleration from start is better than my older 1.6 diesel c4 picasso. Overall best car I ever had, although infotainment a bit dodgy with a left hand and not at all practical. I minor inconvenience!

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Jan Hansen
10 Apr 2026, 21:38:06

It's a pleasant car; it's not coarse or brutal. As a 60-year-old, I don't need acceleration or top speed.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
privat
27 Mar 2026, 16:55:05

Cars like the C5 Aircross are probably one reason why Stellantis is almost bankrupt — or already is.
Uncomfortable and completely unsuitable for long-distance driving.
Huge on the outside, small on the inside.
Extremely uncomfortable seats, poor infotainment, very bad driver aids (360° camera, cruise control, lane-keep assist, navigation… are really awful), confusing, poor road manners, loud engine and noisy wind.
I can only hope that I’ll never again be forced to drive this vehicle.

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Alexis vasquez
15 Feb 2026, 21:03:58

I find the Citroën better suited to my daily driving — more comfortable and efficient, with a softer suspension compared with the firmer Toyota Cross.

How do you mainly use this car? (optional): Commuter (short/medium distance)
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
Citroen C5 Aircross

Costs and Consumption
Price
49,700 - 70,200 £
Price
29,100 - 43,000 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
2.5 - 5.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
17 kWh/100km
Electric Range
94 - 101 km
Electric Range
81 - 520 km
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
0 - 121 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,865 - 2,240 kg
Curb weight
1,629 - 2,184 kg
Trunk capacity
404 - 503 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 - 570 kg
Payload
446 - 471 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel 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 - 8.3 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
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.