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BMW 8 Series Coupé vs Citroen C5 X comparison

Compare performance (625 HP vs 145 HP), boot space and price (90,000 £ vs 39,400 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Coupé or Citroen C5 X?

BMW 8 Series Coupé vs Citroen C5 X: Key differences

BMW 8 Series Coupé

  • clearly more power
  • substantially quicker 0–100 km/h
details

Citroen C5 X

4.2 (4 Reviews)
rate
  • substantially cheaper
  • markedly more efficient
  • somewhat lighter
  • somewhat more trunk space
details

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 Coupé

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Citroen C5 X is substantially cheaper – starting at 39,400 £ , while the BMW 8 Series Coupé costs 90,000 £ . That’s a price difference of around 50,572 £.

Fuel consumption also shows a difference: the Citroen C5 X uses 5.1 L/100km and is markedly more efficient than the BMW 8 Series Coupé with 6.7 L/100km. The difference is about 1.6 L/100km.

C5 X

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 Coupé offers clearly more power – delivering 625 HP compared to 145 HP. That’s roughly 480 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Coupé is substantially quicker – completing the sprint in 3.2 s, while the Citroen C5 X takes 10.4 s. That’s about 7.2 s quicker.

There’s also a difference in torque: the BMW 8 Series Coupé delivers clearly more torque with 750 Nm compared to 230 Nm. That’s about 520 Nm more.

8 Series Coupé

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 somewhat lighter – 1,591 kg compared to 1,805 kg. The difference is around 214 kg.

Looking at boot space, the Citroen C5 X offers somewhat more boot space – 545 L compared to 440 L. That’s a difference of about 105 L.

When it comes to payload, the BMW 8 Series Coupé carries visibly more – 545 kg compared to 399 kg. That’s a difference of about 146 kg.

Who wins the race in the data check?

The BMW 8 Series Coupé 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 £90,000
8 Series Coupé

BMW 8 Series Coupé

  • Engine Type Diesel MHEV, Petrol
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 333 - 625 HP
  • Consumption L/100km 6.7 - 11.5 L/100km
details

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BMW 8 Series Coupé
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Coupé

The BMW 8 Series Coupé blends elegant, low-slung coupé looks with a purposeful, athletic stance that hints at both comfort and serious driving fun. Inside it feels indulgent and driver-focused, the sort of car that turns motorway miles into a breeze while quietly daring you to chase a twisty back road — and yes, it photographs magnificently.

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P90449410_highRes_bmw-m850i-xdrive-cou
P90449433_highRes_bmw-m850i-xdrive-cou
P90449438_highRes_bmw-m850i-xdrive-cou (1)
P90348805_highRes_the-all-new-bmw-m8-c

Reviews BMW 8 Series Coupé

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

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

4.2 (4 Reviews)
rate
Flament
13 Jun 2026, 13:54:21

Value for money / comfort, space unbeatable — C5 X Shine, 4‑cylinder petrol with options... heated, electrically adjustable programmable seat, 2 years, 12,000 km, €23,000

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Safety
Practicality / Trunk & Everyday Use
Value for Money

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BMW 8 Series Coupé
Citroen C5 X

Costs and Consumption
Price
90,000 - 158,900 £
Price
39,400 £
Consumption L/100km
6.7 - 11.5 L/100km
Consumption L/100km
5.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
176 - 263 g/km
co2
116 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Estate
Seats
4 - 5
Seats
5
Doors
2 - 4
Doors
-
Curb weight
1,805 - 2,085 kg
Curb weight
1,591 kg
Trunk capacity
420 - 440 L
Trunk capacity
545 L
Length
4,851 - 5,098 mm
Length
-
Width
1,902 - 1,943 mm
Width
1,815 mm
Height
1,346 - 1,420 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
370 - 545 kg
Payload
399 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
333 - 625 HP
Power HP
145 HP
Acceleration 0-100km/h
3.2 - 5.4 s
Acceleration 0-100km/h
10.4 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
230 Nm
Number of Cylinders
6 - 8
Number of Cylinders
3
Power kW
245 - 460 kW
Power kW
107 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,199 cm3

General
Model Year
2024
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
D
Brand
BMW
Brand
Citroen
What drive types are available for the BMW 8 Series Coupé?

The BMW 8 Series Coupé is offered with All-Wheel Drive or Rear-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.