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BMW 7 Series vs Citroen C5 X comparison

Compare performance (571 HP vs 145 HP), boot space and price (102,800 £ vs 39,400 £ ) at a glance. Find out which car is the better choice for you – BMW 7 Series or Citroen C5 X?

BMW 7 Series vs Citroen C5 X: Key differences

BMW 7 Series

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

Citroen C5 X

4.2 (4 Reviews)
rate
  • clearly cheaper
  • considerably lighter
  • very slightly 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

7 Series

Costs and Efficiency:

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

Citroen C5 X is clearly cheaper – starting at 39,400 £ , while the BMW 7 Series costs 102,800 £ . That’s a price difference of around 63,343 £.

Fuel consumption also shows a difference: the BMW 7 Series uses 3.3 L/100km and is substantially more efficient than the Citroen C5 X with 5.1 L/100km. The difference is about 1.8 L/100km.

C5 X

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 BMW 7 Series offers considerably more power – delivering 571 HP compared to 145 HP. That’s roughly 426 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 7 Series is considerably quicker – completing the sprint in 4.3 s, while the Citroen C5 X takes 10.4 s. That’s about 6.1 s quicker.

There’s also a difference in torque: the BMW 7 Series delivers substantially more torque with 800 Nm compared to 230 Nm. That’s about 570 Nm more.

7 Series

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 X is considerably lighter – 1,591 kg compared to 2,255 kg. The difference is around 664 kg.

Looking at boot space, the Citroen C5 X offers very slightly more boot space – 545 L compared to 540 L. That’s a difference of about 5 L.

When it comes to payload, the BMW 7 Series carries clearly more – 665 kg compared to 399 kg. That’s a difference of about 266 kg.

Who wins the race in the data check?

The BMW 7 Series 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 £102,800
7 Series

BMW 7 Series

  • Engine Type Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 300 - 571 HP
  • Consumption L/100km 3.3 - 6.1 L/100km
  • Electric Range 80 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 7 Series

The BMW 7 Series is a flagship that balances whisper-quiet luxury with a driver's focus, wrapping advanced tech and plush comfort in a sleek, authoritative presence. It’s the kind of car that navigates city traffic and open roads with equal poise, offering a grown-up alternative for buyers who demand refinement without losing a little driving fun.

details
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Reviews BMW 7 Series

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 7 Series
Citroen C5 X

Costs and Consumption
Price
102,800 - 128,700 £
Price
39,400 £
Consumption L/100km
3.3 - 6.1 L/100km
Consumption L/100km
5.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
74 - 160 g/km
co2
116 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,255 - 2,525 kg
Curb weight
1,591 kg
Trunk capacity
525 - 540 L
Trunk capacity
545 L
Length
-
Length
-
Width
1,950 mm
Width
1,815 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
605 - 665 kg
Payload
399 kg

Engine and Performance
Engine Type
Diesel MHEV, Plugin Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
300 - 571 HP
Power HP
145 HP
Acceleration 0-100km/h
4.3 - 5.8 s
Acceleration 0-100km/h
10.4 s
Max Speed
-
Max Speed
-
Torque
670 - 800 Nm
Torque
230 Nm
Number of Cylinders
6
Number of Cylinders
3
Power kW
220 - 420 kW
Power kW
107 kW
Engine capacity
2,993 - 2,998 cm3
Engine capacity
1,199 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
F, B
CO2 Efficiency Class
D
Brand
BMW
Brand
Citroen
What drive types are available for the BMW 7 Series?

Available configurations include All-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.