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Audi A5 Sportback vs Citroen C5 X comparison

Compare performance (639 HP vs 145 HP), boot space and price (40,200 £ vs 36,900 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Citroen C5 X?

Audi A5 Sportback vs Citroen C5 X: Key differences

Audi A5 Sportback

  • significantly more power
  • significantly more efficient
  • clearly quicker 0–100 km/h

Citroen C5 X

4 (3 Reviews)
rate
  • only slightly cheaper
  • slightly lighter
  • clearly more trunk space

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

A5 Sportback

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 only slightly cheaper – starting at 36,900 £ , while the Audi A5 Sportback costs 40,200 £ . That’s a price difference of around 3,292 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is significantly more efficient than the Citroen C5 X with 5.1 L/100km. The difference is about 3.1 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 Sportback offers significantly 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 Sportback is clearly quicker – completing the sprint in 3.7 s, while the Citroen C5 X takes 10.4 s. That’s about 6.7 s quicker.

Looking at top speed, the Audi A5 Sportback is somewhat faster – reaching 250 km/h, while the Citroen C5 X tops out at 211 km/h. The difference is around 39 km/h.

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

A5 Sportback

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 slightly lighter – 1,591 kg compared to 1,770 kg. The difference is around 179 kg.

Looking at boot space, the Citroen C5 X offers clearly more boot space – 545 L compared to 331 L. That’s a difference of about 214 L.

For maximum load capacity, the Citroen C5 X offers markedly more capacity – up to 1,640 L, about 465 L more than the Audi A5 Sportback.

When it comes to payload, the Audi A5 Sportback carries noticeably more – 530 kg compared to 399 kg. That’s a difference of about 131 kg.

Who wins the race in the data check?

The Audi A5 Sportback is far ahead 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 £40,200
A5 Sportback

Audi A5 Sportback

  • 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 - 7.6 L/100km
  • Electric Range : 84 - 110 km
details

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View detailed analysis

Engine and Performance
View detailed analysis

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Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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Reviews Audi A5 Sportback

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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.

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Reviews Citroen C5 X

4 (3 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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Audi A5 Sportback
Citroen C5 X

Costs and Consumption
Price
40,200 - 91,000 £
Price
36,900 - 39,400 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
5.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
-
Battery Capacity
20.7 kWh
Battery Capacity
-
co2
45 - 172 g/km
co2
116 g/km
Fuel tank capacity
46 L
Fuel tank capacity
52 L

Dimensions and Body
Body Type
Hatchback
Body Type
Estate
Seats
4 - 5
Seats
5
Doors
5
Doors
5
Curb weight
1,770 - 2,430 kg
Curb weight
1,591 kg
Trunk capacity
331 L
Trunk capacity
545 L
Length
4,829 mm
Length
4,805 mm
Width
1,860 - 1,952 mm
Width
1,815 mm
Height
1,444 mm
Height
1,485 mm
Max trunk capacity
1,175 L
Max trunk capacity
1,640 L
Payload
475 - 530 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
250 km/h
Max Speed
211 km/h
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
2,025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
D
Brand
Audi
Brand
Citroen
What drivetrain options does the Audi A5 Sportback have?

The Audi A5 Sportback is available as 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.