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Citroen C5 Aircross vs Mercedes GLC comparison

Compare performance (225 HP vs 472 HP), boot space and price (29,100 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – Citroen C5 Aircross or Mercedes GLC?

Citroen C5 Aircross vs Mercedes GLC: Key differences

Citroen C5 Aircross

4 (6 Reviews)
rate
  • substantially cheaper
  • clearly more electric range
  • noticeably lighter
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Mercedes GLC

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

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Citroen C5 Aircross is substantially cheaper – starting at 29,100 £ , while the Mercedes GLC costs 50,300 £ . That’s a price difference of around 21,193 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is clearly more efficient than the Citroen C5 Aircross with 2.5 L/100km. The difference is about 0.9 L/100km.

As for electric range, the Citroen C5 Aircross offers clearly more range – reaching up to 520 km, about 392 km more than the Mercedes GLC.

GLC

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 Mercedes GLC offers considerably more power – delivering 472 HP compared to 225 HP. That’s roughly 247 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 Aircross takes 8.3 s. That’s about 4.1 s quicker.

There’s also a difference in torque: the Mercedes GLC delivers substantially more torque with 750 Nm compared to 300 Nm. That’s about 450 Nm more.

C5 Aircross

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 C5 Aircross is noticeably lighter – 1,629 kg compared to 1,985 kg. The difference is around 356 kg.

Looking at boot space, the Mercedes GLC offers only slightly more boot space – 620 L compared to 565 L. That’s a difference of about 55 L.

When it comes to payload, the Mercedes GLC carries somewhat more – 575 kg compared to 471 kg. That’s a difference of about 104 kg.

Who wins the race in the data check?

The Mercedes GLC 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 £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 Aircross
Mercedes GLC

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Citroen C5 Aircross

The Citroën C5 Aircross feels like a sofa on wheels, delivering a calm, floaty ride and clever packaging that makes life with luggage and kids noticeably easier. Quirky French styling and a supremely practical, family-focused cabin mean it quietly wins hearts by prioritising comfort over showroom bravado.

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Reviews Citroen C5 Aircross

4 (6 Reviews)
rate
Claude Juillet
3 May 2026, 14:17:36

I drive the 1.2 petrol hybrid from new since January 2026, which was registered in November 2025. Great car to drive. However, for tall person like myself, there is not enough room for your left keg to stretch and cramps happen in long journeys. Acceleration from start is better than my older 1.6 diesel c4 picasso. Overall best car I ever had, although infotainment a bit dodgy with a left hand and not at all practical. I minor inconvenience!

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Jan Hansen
10 Apr 2026, 21:38:06

It's a pleasant car; it's not coarse or brutal. As a 60-year-old, I don't need acceleration or top speed.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
privat
27 Mar 2026, 16:55:05

Cars like the C5 Aircross are probably one reason why Stellantis is almost bankrupt — or already is.
Uncomfortable and completely unsuitable for long-distance driving.
Huge on the outside, small on the inside.
Extremely uncomfortable seats, poor infotainment, very bad driver aids (360° camera, cruise control, lane-keep assist, navigation… are really awful), confusing, poor road manners, loud engine and noisy wind.
I can only hope that I’ll never again be forced to drive this vehicle.

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Alexis vasquez
15 Feb 2026, 21:03:58

I find the Citroën better suited to my daily driving — more comfortable and efficient, with a softer suspension compared with the firmer Toyota Cross.

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

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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The Mercedes GLC and the Mercedes E‑Class target different buyers: the GLC is a compact luxury SUV that prioritizes versatility and a raised driving position, while the E‑Class is a mid‑size executive sedan focused on comfort, refinement and technology. This comparison looks at how they differ in …
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Citroen C5 Aircross
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The Citroën C4 and the Citroën C5 Aircross both exemplify the brand's commitment to comfort and innovative design, yet they cater to slightly different needs. The C4, with its sleek hatchback form and dynamic performance, is ideal for those seeking a compact vehicle with a city-friendly demeanor. …
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Peugeot 5008
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The Citroën C5 Aircross is the sofa-like French cruiser that pampers passengers with magic-carpet suspension and outrageously comfy seats, while the Peugeot 5008 is the sharper, more practical grown-up — genuinely seven-seater flexibility and a cabin that feels a touch more premium. Choose the C5 …
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Unsure whether the Citroen C5 Aircross or the Renault Austral is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Citroen C5 Aircross
Mercedes GLC

Costs and Consumption
Price
29,100 - 43,000 £
Price
50,300 - 82,100 £
Consumption L/100km
2.5 - 5.4 L/100km
Consumption L/100km
1.6 - 9.4 L/100km
Consumption kWh/100km
17 kWh/100km
Consumption kWh/100km
-
Electric Range
81 - 520 km
Electric Range
122 - 128 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 121 g/km
co2
41 - 214 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,629 - 2,184 kg
Curb weight
1,985 - 2,400 kg
Trunk capacity
565 L
Trunk capacity
390 - 620 L
Length
-
Length
-
Width
1,870 mm
Width
1,890 - 1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
446 - 471 kg
Payload
475 - 575 kg

Engine and Performance
Engine Type
Petrol MHEV, Electric, Plugin Hybrid
Engine Type
Diesel MHEV, Plugin Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
145 - 225 HP
Power HP
186 - 472 HP
Acceleration 0-100km/h
8.3 - 11.2 s
Acceleration 0-100km/h
4.2 - 9 s
Max Speed
-
Max Speed
-
Torque
230 - 300 Nm
Torque
380 - 750 Nm
Number of Cylinders
3 - 4
Number of Cylinders
4 - 6
Power kW
107 - 165 kW
Power kW
137 - 347 kW
Engine capacity
1,199 - 1,598 cm3
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, A, B
CO2 Efficiency Class
D, B, E, F, G
Brand
Citroen
Brand
Mercedes-Benz
Is the Citroen C5 Aircross offered with different drivetrains?

The Citroen C5 Aircross is offered with 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.