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Audi A6 Limousine vs Citroen C4 comparison

Compare performance (367 HP vs 156 HP), boot space and price (47,600 £ vs 20,700 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or Citroen C4?

Audi A6 Limousine vs Citroen C4: Key differences

Audi A6 Limousine

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

Citroen C4

4.6 (7 Reviews)
rate
  • substantially cheaper
  • significantly more electric range
  • clearly lighter
  • very slightly 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:

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

Citroen C4 is substantially cheaper – starting at 20,700 £ , while the Audi A6 Limousine costs 47,600 £ . That’s a price difference of around 26,880 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is clearly more efficient than the Citroen C4 with 4.7 L/100km. The difference is about 2.5 L/100km.

As for electric range, the Citroen C4 offers significantly more range – reaching up to 427 km, about 322 km more than the Audi A6 Limousine.

C4

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 significantly more power – delivering 367 HP compared to 156 HP. That’s roughly 211 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 Limousine is substantially quicker – completing the sprint in 4.7 s, while the Citroen C4 takes 8 s. That’s about 3.3 s quicker.

There’s also a difference in torque: the Audi A6 Limousine delivers significantly more torque with 580 Nm compared to 270 Nm. That’s about 310 Nm more.

A6 Limousine

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Citroen C4 is clearly lighter – 1,403 kg compared to 1,845 kg. The difference is around 442 kg.

Looking at boot space, the Citroen C4 offers very slightly more boot space – 510 L compared to 492 L. That’s a difference of about 18 L.

When it comes to payload, the Audi A6 Limousine carries noticeably more – 625 kg compared to 406 kg. That’s a difference of about 219 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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Frequently compared as well

Citroen C4
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Audi A6 Limousine
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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

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

Citroen C4

Citroën C4 wears its French eccentricity with confidence, pairing bold, sculpted styling with a supremely comfortable ride that turns mundane commutes into a gentler affair. If you value relaxed comfort, clever practicality and a car with personality rather than pretence, the C4 is a charming, sensible choice — and it won't make you miss the usual hot‑hatch theatrics.

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C4_2021_EXT (13)
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C4_INT_2021 (8)

Reviews Citroen C4

4.6 (7 Reviews)
rate
Andrzej
9 Jun 2026, 17:24:58

Super wygodne i ciche i komfortowe auto

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Practicality / Trunk & Everyday Use
Value for Money
steve
7 Jun 2026, 19:55:21

Super sleek, drives beautifully and is different, second hand price low milage and insurance , its a triple winner for me.

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
Mustafa
20 May 2026, 16:06:29

Fiyat performans olarak c4 daha önde görüyorum

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Tomasz
25 Dec 2025, 23:25:28

A very comfortable car, but with a flaw I noticed: very high door sills, which you really feel when getting in.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Audi A6 Limousine
Citroen C4

Costs and Consumption
Price
47,600 - 68,100 £
Price
20,700 - 32,200 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
4.7 - 4.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
14.6 - 15.3 kWh/100km
Electric Range
97 - 105 km
Electric Range
354 - 427 km
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
0 - 108 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
1,403 - 1,652 kg
Trunk capacity
354 - 492 L
Trunk capacity
380 - 510 L
Length
-
Length
-
Width
1,875 mm
Width
1,800 - 1,834 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 625 kg
Payload
379 - 406 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Electric, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
204 - 367 HP
Power HP
110 - 156 HP
Acceleration 0-100km/h
4.7 - 8.2 s
Acceleration 0-100km/h
8 - 10.8 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
205 - 270 Nm
Number of Cylinders
4 - 6
Number of Cylinders
3
Power kW
150 - 270 kW
Power kW
81 - 115 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,199 cm3

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