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Citroen C5 X vs Mercedes GLC comparison

Compare performance (145 HP vs 472 HP), boot space and price (39,400 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – Citroen C5 X or Mercedes GLC?

Citroen C5 X vs Mercedes GLC: Key differences

Citroen C5 X

4 (3 Reviews)
rate
  • clearly cheaper
  • clearly lighter
details

Mercedes GLC

4.4 (13 Reviews)
rate
  • substantially more power
  • considerably more efficient
  • substantially quicker 0–100 km/h
  • 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

C5 X

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 clearly cheaper – starting at 39,400 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 10,899 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is considerably more efficient than the Citroen C5 X with 5.1 L/100km. The difference is about 3.5 L/100km.

GLC

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 GLC offers substantially more power – delivering 472 HP compared to 145 HP. That’s roughly 327 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLC is substantially quicker – completing the sprint in 4.2 s, while the Citroen C5 X takes 10.4 s. That’s about 6.2 s quicker.

There’s also a difference in torque: the Mercedes GLC delivers considerably more torque with 750 Nm compared to 230 Nm. That’s about 520 Nm more.

C5 X

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 clearly lighter – 1,591 kg compared to 1,985 kg. The difference is around 394 kg.

Looking at boot space, the Mercedes GLC offers slightly more boot space – 620 L compared to 545 L. That’s a difference of about 75 L.

When it comes to payload, the Mercedes GLC carries visibly more – 575 kg compared to 399 kg. That’s a difference of about 176 kg.

Who wins the race in the data check?

The Mercedes GLC stands well ahead of its rival 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 £50,300
GLC

Mercedes GLC

  • Engine Type Diesel MHEV, Plugin Hybrid, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 186 - 472 HP
  • Consumption L/100km 1.6 - 9.4 L/100km
  • Electric Range 122 - 128 km
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Frequently compared as well

Mercedes GLC
Volvo EX60
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The Mercedes GLC and the Volvo EX60 take different approaches to the premium compact SUV segment: the GLC leans on refined ride, traditional luxury and a choice of petrol, mild-hybrid or plug-in options, while the EX60 emphasizes all-electric power, minimalist Scandinavian design and advanced …
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Citroen C5 X
Mercedes GLC

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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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 (3 Reviews)
rate

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

Mercedes GLC

The Mercedes GLC blends quiet refinement with premium materials to create a comfortable, modern cabin that feels more upscale than its size might suggest. It delivers composed handling and confident on-road manners while offering practical versatility and a strong suite of driver assistance and infotainment features.

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Reviews Mercedes GLC

4.4 (13 Reviews)
rate
Zede
10 May 2026, 20:12:35

Too expensive! To justify it with technology that's equal or inferior.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

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

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VS
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BMW X5
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In the battle of luxury SUVs, the BMW X5 stands out with its potent engine options and engaging driving dynamics, catering to those who prioritize performance and handling. On the other hand, the Mercedes-Benz GLC exudes elegance and comfort, showcasing a plush interior and advanced technology that …
Mercedes GLB
Mercedes GLC
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Citroen C5 X
Mercedes GLC

Costs and Consumption
Price
39,400 £
Price
50,300 - 82,100 £
Consumption L/100km
5.1 L/100km
Consumption L/100km
1.6 - 9.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
122 - 128 km
Battery Capacity
-
Battery Capacity
-
co2
116 g/km
co2
41 - 214 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,591 kg
Curb weight
1,985 - 2,400 kg
Trunk capacity
545 L
Trunk capacity
390 - 620 L
Length
-
Length
-
Width
1,815 mm
Width
1,890 - 1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
399 kg
Payload
475 - 575 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Diesel MHEV, Plugin Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
145 HP
Power HP
186 - 472 HP
Acceleration 0-100km/h
10.4 s
Acceleration 0-100km/h
4.2 - 9 s
Max Speed
-
Max Speed
-
Torque
230 Nm
Torque
380 - 750 Nm
Number of Cylinders
3
Number of Cylinders
4 - 6
Power kW
107 kW
Power kW
137 - 347 kW
Engine capacity
1,199 cm3
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
D
CO2 Efficiency Class
D, B, E, F, G
Brand
Citroen
Brand
Mercedes-Benz
What drive types are available for the Citroen C5 X?

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.