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Citroen C4 vs Audi A6 Limousine comparison

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

Citroen C4 vs Audi A6 Limousine: Key differences

Citroen C4

4.7 (3 Reviews)
rate
  • significantly cheaper
  • considerably more electric range
  • clearly lighter
  • barely more trunk space

Audi A6 Limousine

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

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

C4

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 significantly cheaper – starting at 20,600 £ , while the Audi A6 Limousine costs 47,600 £ . That’s a price difference of around 27,009 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is significantly 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 considerably more range – reaching up to 427 km, about 322 km more than the Audi A6 Limousine.

A6 Limousine

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Audi A6 Limousine offers considerably 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 clearly quicker – completing the sprint in 4.7 s, while the Citroen C4 takes 8 s. That’s about 3.3 s quicker.

Looking at top speed, the Audi A6 Limousine is visibly faster – reaching 250 km/h, while the Citroen C4 tops out at 150 km/h. The difference is around 100 km/h.

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

C4

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

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 barely 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 markedly 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 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 £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 - 6.9 L/100km
  • Electric Range : 97 - 105 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews Citroen C4

4.7 (3 Reviews)
rate
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

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.

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Citroen C4
Audi A6 Limousine

Costs and Consumption
Price
20,600 - 32,200 £
Price
47,600 - 68,100 £
Consumption L/100km
4.7 - 4.8 L/100km
Consumption L/100km
2.2 - 6.9 L/100km
Consumption kWh/100km
14.5 - 15.3 kWh/100km
Consumption kWh/100km
-
Electric Range
354 - 427 km
Electric Range
97 - 105 km
Battery Capacity
46 - 51 kWh
Battery Capacity
-
co2
0 - 108 g/km
co2
49 - 157 g/km
Fuel tank capacity
-
Fuel tank capacity
56 - 60 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
4 - 5
Doors
4
Curb weight
1,403 - 1,659 kg
Curb weight
1,845 - 2,220 kg
Trunk capacity
380 - 510 L
Trunk capacity
354 - 492 L
Length
4,350 - 4,580 mm
Length
4,999 mm
Width
1,800 - 1,834 mm
Width
1,875 mm
Height
1,520 - 1,525 mm
Height
1,452 mm
Max trunk capacity
1,250 - 1,360 L
Max trunk capacity
-
Payload
379 - 406 kg
Payload
535 - 625 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
110 - 156 HP
Power HP
204 - 367 HP
Acceleration 0-100km/h
8 - 10.8 s
Acceleration 0-100km/h
4.7 - 8.2 s
Max Speed
150 km/h
Max Speed
243 - 250 km/h
Torque
205 - 270 Nm
Torque
340 - 580 Nm
Number of Cylinders
3
Number of Cylinders
4 - 6
Power kW
81 - 115 kW
Power kW
150 - 270 kW
Engine capacity
1,199 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025
CO2 Efficiency Class
A, C
CO2 Efficiency Class
F, D, E, B
Brand
Citroen
Brand
Audi
What drivetrain options does the Citroen C4 have?

Available configurations include 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.