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Citroen C4 vs Mercedes C-Class Saloon comparison

Compare performance (156 HP vs 680 HP), boot space and price (20,700 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Citroen C4 or Mercedes C-Class Saloon?

Citroen C4 vs Mercedes C-Class Saloon: Key differences

Citroen C4

4.6 (7 Reviews)
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  • significantly cheaper
  • significantly more electric range
  • noticeably lighter
  • moderately more trunk space
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Mercedes C-Class Saloon

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

C4

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 C4 is significantly cheaper – starting at 20,700 £ , while the Mercedes C-Class Saloon costs 41,300 £ . That’s a price difference of around 20,634 £.

Fuel consumption also shows a difference: the Mercedes C-Class Saloon uses 4.5 L/100km and is only slightly more efficient than the Citroen C4 with 4.7 L/100km. The difference is about 0.2 L/100km.

As for electric range, the Citroen C4 offers significantly more range – reaching up to 427 km, about 416 km more than the Mercedes C-Class Saloon.

C-Class Saloon

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 Mercedes C-Class Saloon offers substantially more power – delivering 680 HP compared to 156 HP. That’s roughly 524 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C-Class Saloon is substantially quicker – completing the sprint in 3.4 s, while the Citroen C4 takes 8 s. That’s about 4.6 s quicker.

There’s also a difference in torque: the Mercedes C-Class Saloon delivers considerably more torque with 1,020 Nm compared to 270 Nm. That’s about 750 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 noticeably lighter – 1,403 kg compared to 1,695 kg. The difference is around 292 kg.

Looking at boot space, the Citroen C4 offers moderately more boot space – 510 L compared to 455 L. That’s a difference of about 55 L.

When it comes to payload, the Mercedes C-Class Saloon carries markedly more – 570 kg compared to 406 kg. That’s a difference of about 164 kg.

Who wins the race in the data check?

The Mercedes C-Class Saloon 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 £41,300
C-Class Saloon

Mercedes C-Class Saloon

  • Engine Type Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 183 - 680 HP
  • Consumption L/100km 4.5 - 9 L/100km
  • Electric Range 11 km
Citroen C4
Mercedes C-Class Saloon

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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Mercedes C-Class Saloon

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Citroen C4
Mercedes C-Class Saloon

Costs and Consumption

Price
20,700 - 32,200 £
Price
41,300 - 103,400 £
Consumption L/100km
4.7 - 4.8 L/100km
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
14.6 - 15.3 kWh/100km
Consumption kWh/100km
-
Electric Range
354 - 427 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 108 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,403 - 1,652 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
380 - 510 L
Trunk capacity
280 - 455 L
Length
-
Length
-
Width
1,800 - 1,834 mm
Width
1,820 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
379 - 406 kg
Payload
485 - 570 kg

Engine and Performance

Engine Type
Electric, Petrol MHEV
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
110 - 156 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
8 - 10.8 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
-
Torque
205 - 270 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
81 - 115 kW
Power kW
135 - 500 kW
Engine capacity
1,199 cm3
Engine capacity
1,496 - 1,999 cm3

General

Model Year
2,025 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, C
CO2 Efficiency Class
E, D, G
Brand
Citroen
Brand
Mercedes-Benz
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.