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Citroen C5 Aircross vs Mercedes GLA comparison

Compare performance (225 HP vs 421 HP), boot space and price (29,100 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Citroen C5 Aircross or Mercedes GLA?

Citroen C5 Aircross vs Mercedes GLA: Key differences

Citroen C5 Aircross

4 (6 Reviews)
rate
  • visibly cheaper
  • a bit more efficient
  • significantly more electric range
  • visibly more trunk space
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Mercedes GLA

4.5 (4 Reviews)
rate
  • considerably more power
  • clearly quicker 0–100 km/h
  • marginally lighter
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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 visibly cheaper – starting at 29,100 £ , while the Mercedes GLA costs 38,800 £ . That’s a price difference of around 9,702 £.

Fuel consumption also shows a difference: the Citroen C5 Aircross uses 2.5 L/100km and is a bit more efficient than the Mercedes GLA with 2.9 L/100km. The difference is about 0.4 L/100km.

As for electric range, the Citroen C5 Aircross offers significantly more range – reaching up to 520 km, about 446 km more than the Mercedes GLA.

GLA

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes GLA offers considerably more power – delivering 421 HP compared to 225 HP. That’s roughly 196 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is clearly quicker – completing the sprint in 4.3 s, while the Citroen C5 Aircross takes 8.3 s. That’s about 4 s quicker.

There’s also a difference in torque: the Mercedes GLA delivers markedly more torque with 500 Nm compared to 300 Nm. That’s about 200 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, Mercedes GLA is marginally lighter – 1,570 kg compared to 1,629 kg. The difference is around 59 kg.

Looking at boot space, the Citroen C5 Aircross offers visibly more boot space – 565 L compared to 435 L. That’s a difference of about 130 L.

When it comes to payload, the Mercedes GLA carries only slightly more – 500 kg compared to 471 kg. That’s a difference of about 29 kg.

Who wins the race in the data check?

The Citroen C5 Aircross has only a minor advantage 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 £29,100
C5 Aircross

Citroen C5 Aircross

  • Engine Type Petrol MHEV, Electric, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 145 - 225 HP
  • Consumption L/100km 2.5 - 5.4 L/100km
  • Consumption kWh/100km 17 kWh/100km
  • Electric Range 81 - 520 km
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Frequently compared as well

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Citroen C5 Aircross
Mercedes GLA

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 GLA

The Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.

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20C0047_115

Reviews Mercedes GLA

4.5 (4 Reviews)
rate
Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

How do you mainly use this car? (optional): Family car
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Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
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Driving Fun / Performance
Technology & Infotainment
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Practicality / Trunk & Everyday Use
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Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

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Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
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Citroen C5 Aircross
Mercedes GLA

Costs and Consumption
Price
29,100 - 43,000 £
Price
38,800 - 75,300 £
Consumption L/100km
2.5 - 5.4 L/100km
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
17 kWh/100km
Consumption kWh/100km
-
Electric Range
81 - 520 km
Electric Range
74 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 121 g/km
co2
66 - 216 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
1,570 - 1,810 kg
Trunk capacity
565 L
Trunk capacity
385 - 435 L
Length
-
Length
-
Width
1,870 mm
Width
1,834 - 1,849 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
446 - 471 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Petrol MHEV, Electric, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
145 - 225 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
8.3 - 11.2 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
-
Torque
230 - 300 Nm
Torque
230 - 500 Nm
Number of Cylinders
3 - 4
Number of Cylinders
4
Power kW
107 - 165 kW
Power kW
85 - 310 kW
Engine capacity
1,199 - 1,598 cm3
Engine capacity
1,332 - 1,991 cm3

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