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BMW 8 Series Convertible vs Citroen C5 Aircross comparison

Compare performance (625 HP vs 225 HP), boot space and price (99,400 £ vs 29,100 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Citroen C5 Aircross?

BMW 8 Series Convertible vs Citroen C5 Aircross: Key differences

BMW 8 Series Convertible

  • significantly more power
  • clearly quicker 0–100 km/h
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Citroen C5 Aircross

4.1 (7 Reviews)
rate
  • significantly cheaper
  • clearly more efficient
  • moderately lighter
  • markedly 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

8 Series Convertible

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 significantly cheaper – starting at 29,100 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 70,294 £.

Fuel consumption also shows a difference: the Citroen C5 Aircross uses 2.5 L/100km and is clearly more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 4.4 L/100km.

C5 Aircross

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 BMW 8 Series Convertible offers significantly more power – delivering 625 HP compared to 225 HP. That’s roughly 400 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is clearly quicker – completing the sprint in 3.3 s, while the Citroen C5 Aircross takes 8.3 s. That’s about 5 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers substantially more torque with 750 Nm compared to 300 Nm. That’s about 450 Nm more.

8 Series Convertible

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Citroen C5 Aircross offers more seats – 5 vs 4.

In terms of curb weight, Citroen C5 Aircross is moderately lighter – 1,629 kg compared to 1,915 kg. The difference is around 286 kg.

Looking at boot space, the Citroen C5 Aircross offers markedly more boot space – 565 L compared to 350 L. That’s a difference of about 215 L.

When it comes to payload, the Citroen C5 Aircross carries very slightly more – 471 kg compared to 425 kg. That’s a difference of about 46 kg.

Who wins the race in the data check?

The Citroen C5 Aircross is far ahead 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 £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
BMW 8 Series Convertible
Citroen C5 Aircross

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW 8 Series Convertible

The BMW 8 Series Convertible is a head-turning grand tourer that drops its roof with the kind of theatrical flourish you expect from a modern Bavarian showboat. It wraps occupants in sumptuous materials and driver-focused polish, offering effortless long-distance comfort and just enough drama to make every arrival feel like an occasion.

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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.

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BMW 8 Series Convertible
Citroen C5 Aircross

Costs and Consumption

Price
99,400 - 165,800 £
Price
29,100 - 43,000 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
2.5 - 5.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
17 kWh/100km
Electric Range
-
Electric Range
81 - 520 km
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
0 - 121 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body

Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
2
Doors
-
Curb weight
1,915 - 2,125 kg
Curb weight
1,629 - 2,184 kg
Trunk capacity
350 L
Trunk capacity
565 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,870 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
446 - 471 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Electric, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
333 - 625 HP
Power HP
145 - 225 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
8.3 - 11.2 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
230 - 300 Nm
Number of Cylinders
6 - 8
Number of Cylinders
3 - 4
Power kW
245 - 460 kW
Power kW
107 - 165 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,199 - 1,598 cm3

General

Model Year
2024
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
D, A, B
Brand
BMW
Brand
Citroen
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.