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Citroen C5 Aircross vs Mercedes GLB comparison
Compare performance (225 HP vs 354 HP), boot space and price (29,100 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Citroen C5 Aircross or Mercedes GLB?
Citroen C5 Aircross vs Mercedes GLB: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
C5 Aircross
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 Aircross is substantially cheaper – starting at 29,100 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 14,063 £.
Fuel consumption also shows a difference: the Citroen C5 Aircross uses 2.5 L/100km and is considerably more efficient than the Mercedes GLB with 5.7 L/100km. The difference is about 3.2 L/100km.
In terms of energy consumption, the Mercedes GLB is slightly more efficient: consuming 15.4 kWh/100km compared to 17 kWh/100km for the Citroen C5 Aircross. That’s a difference of about 1.6 kWh/100km.
As for electric range, the Mercedes GLB offers somewhat more range – reaching up to 631 km, about 111 km more than the Citroen C5 Aircross.
GLB
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 GLB offers noticeably more power – delivering 354 HP compared to 225 HP. That’s roughly 129 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes GLB is clearly quicker – completing the sprint in 5.5 s, while the Citroen C5 Aircross takes 8.3 s. That’s about 2.8 s quicker.
There’s also a difference in torque: the Mercedes GLB delivers considerably more torque with 515 Nm compared to 300 Nm. That’s about 215 Nm more.
C5 Aircross
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 C5 Aircross is moderately lighter – 1,629 kg compared to 1,840 kg. The difference is around 211 kg.
Looking at boot space, the Citroen C5 Aircross offers only slightly more boot space – 565 L compared to 540 L. That’s a difference of about 25 L.
When it comes to payload, the Mercedes GLB carries marginally more – 505 kg compared to 471 kg. That’s a difference of about 34 kg.
Who wins the race in the data check?
The Mercedes GLB 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 £43,200
Mercedes GLB
Citroen C5 Aircross
Mercedes GLB
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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.
details
Mercedes GLB
The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.
details
Citroen C5 Aircross
Mercedes GLB
Costs and Consumption |
|
|---|---|
|
Price
29,100 - 43,000 £
|
Price
43,200 - 62,400 £
|
|
Consumption L/100km
2.5 - 5.4 L/100km
|
Consumption L/100km
5.7 - 6.1 L/100km
|
|
Consumption kWh/100km
17 kWh/100km
|
Consumption kWh/100km
15.4 - 15.9 kWh/100km
|
|
Electric Range
81 - 520 km
|
Electric Range
431 - 631 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
0 - 121 g/km
|
co2
0 - 138 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
1,840 - 2,280 kg
|
|
Trunk capacity
565 L
|
Trunk capacity
540 L
|
|
Length
-
|
Length
-
|
|
Width
1,870 mm
|
Width
1,861 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
446 - 471 kg
|
Payload
485 - 505 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Electric, Plugin Hybrid
|
Engine Type
Electric, Full Hybrid
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
|
Transmission Detail
Reduction Gearbox
|
|
Drive Type
Front-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
145 - 225 HP
|
Power HP
156 - 354 HP
|
|
Acceleration 0-100km/h
8.3 - 11.2 s
|
Acceleration 0-100km/h
5.5 - 9.7 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
230 - 300 Nm
|
Torque
280 - 515 Nm
|
|
Number of Cylinders
3 - 4
|
Number of Cylinders
4
|
|
Power kW
107 - 165 kW
|
Power kW
115 - 260 kW
|
|
Engine capacity
1,199 - 1,598 cm3
|
Engine capacity
1,499 cm3
|
General |
|
|---|---|
|
Model Year
2,025 - 2,026
|
Model Year
2026
|
|
CO2 Efficiency Class
D, A, B
|
CO2 Efficiency Class
A, D, E
|
|
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.