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Audi A5 Avant vs Citroen C5 X comparison

Compare performance (639 HP vs 145 HP), boot space and price (41,600 £ vs 39,400 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Avant or Citroen C5 X?

Audi A5 Avant vs Citroen C5 X: Key differences

Audi A5 Avant

4.4 (1 Reviews)
rate
  • considerably more power
  • significantly more efficient
  • significantly quicker 0–100 km/h
details

Citroen C5 X

4.2 (4 Reviews)
rate
  • very slightly cheaper
  • somewhat lighter
  • visibly 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

A5 Avant

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Citroen C5 X is very slightly cheaper – starting at 39,400 £ , while the Audi A5 Avant costs 41,600 £ . That’s a price difference of around 2,186 £.

Fuel consumption also shows a difference: the Audi A5 Avant uses 2.1 L/100km and is significantly more efficient than the Citroen C5 X with 5.1 L/100km. The difference is about 3 L/100km.

C5 X

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 A5 Avant offers considerably more power – delivering 639 HP compared to 145 HP. That’s roughly 494 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Avant is significantly quicker – completing the sprint in 3.7 s, while the Citroen C5 X takes 10.4 s. That’s about 6.7 s quicker.

There’s also a difference in torque: the Audi A5 Avant delivers significantly more torque with 825 Nm compared to 230 Nm. That’s about 595 Nm more.

A5 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 X is somewhat lighter – 1,591 kg compared to 1,785 kg. The difference is around 194 kg.

Looking at boot space, the Citroen C5 X offers visibly more boot space – 545 L compared to 361 L. That’s a difference of about 184 L.

When it comes to payload, the Audi A5 Avant carries visibly more – 535 kg compared to 399 kg. That’s a difference of about 136 kg.

Who wins the race in the data check?

The Audi A5 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 £41,600
A5 Avant

Audi A5 Avant

  • Engine Type Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Front-Wheel Drive
  • Power HP 150 - 639 HP
  • Consumption L/100km 2.1 - 7.7 L/100km
  • Electric Range 83 - 108 km
details

Frequently compared as well

Audi A5 Avant
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Citroen C4
Citroen C5 X
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The Citroen C4 and Citroen C5 X are both modern takes on comfortable, characterful French family cars but aim at slightly different buyers: the C4 is a compact, city‑friendly hatchback while the C5 X blends estate and SUV traits into a roomy fastback. Pick the C4 for easier parking, lower running …
Audi A5 Avant
Citroen C5 X

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A5 Avant

The Audi A5 Avant dresses like a sleek coupe but carries like a sensible estate, offering buyers a rare blend of glamour and everyday practicality. Inside, the cabin feels beautifully sorted and the drive is composed and engaging, making routine errands feel a touch more enjoyable than they have any right to be.

details
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Reviews Audi A5 Avant

4.4 (1 Reviews)
rate
Hje
10 May 2026, 10:01:51

I do a lot of highway and generally long distance driving where A5 is superior to BMW 3.

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

Citroen C5 X

Citroen C5 X combines the poise of a sleek crossover with the practicality of an estate, delivering a calm, comfortable cabin that feels designed for long, relaxed journeys rather than racetrack drama. If you want a car that pampers passengers, swallows everyday luggage and glides over rough roads like a diplomat dodging awkward questions, this is your kind of transport.

details
C5X_PHEV_UK_2022_EXT (21)
C5X_PHEV_2022_EXT (12)
C5X_PHEV_2022_EXT (23)
C5X_2022_INT (20)

Reviews Citroen C5 X

4.2 (4 Reviews)
rate
Flament
13 Jun 2026, 13:54:21

Value for money / comfort, space unbeatable — C5 X Shine, 4‑cylinder petrol with options... heated, electrically adjustable programmable seat, 2 years, 12,000 km, €23,000

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Audi A5 Avant
Citroen C5 X

Costs and Consumption
Price
41,600 - 92,400 £
Price
39,400 £
Consumption L/100km
2.1 - 7.7 L/100km
Consumption L/100km
5.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 - 108 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
47 - 175 g/km
co2
116 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,785 - 2,445 kg
Curb weight
1,591 kg
Trunk capacity
361 L
Trunk capacity
545 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,815 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 535 kg
Payload
399 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
150 - 639 HP
Power HP
145 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
10.4 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
230 Nm
Number of Cylinders
4 - 6
Number of Cylinders
3
Power kW
110 - 470 kW
Power kW
107 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,199 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
D
Brand
Audi
Brand
Citroen
What drive types are available for the Audi A5 Avant?

Available configurations include All-Wheel Drive or Front-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.