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BMW 5 Series Saloon vs Citroen C5 X comparison

Compare performance (727 HP vs 145 HP), boot space and price (51,400 £ vs 39,400 £ ) at a glance. Find out which car is the better choice for you – BMW 5 Series Saloon or Citroen C5 X?

BMW 5 Series Saloon vs Citroen C5 X: Key differences

BMW 5 Series Saloon

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

Citroen C5 X

4.2 (4 Reviews)
rate
  • visibly cheaper
  • slightly lighter
  • barely 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

5 Series Saloon

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 X is visibly cheaper – starting at 39,400 £ , while the BMW 5 Series Saloon costs 51,400 £ . That’s a price difference of around 12,000 £.

Fuel consumption also shows a difference: the BMW 5 Series Saloon uses 2.1 L/100km and is considerably more efficient than the Citroen C5 X with 5.1 L/100km. The difference is about 3 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 5 Series Saloon offers substantially more power – delivering 727 HP compared to 145 HP. That’s roughly 582 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 5 Series Saloon is significantly quicker – completing the sprint in 3.5 s, while the Citroen C5 X takes 10.4 s. That’s about 6.9 s quicker.

There’s also a difference in torque: the BMW 5 Series Saloon delivers significantly more torque with 1,000 Nm compared to 230 Nm. That’s about 770 Nm more.

5 Series Saloon

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 slightly lighter – 1,591 kg compared to 1,800 kg. The difference is around 209 kg.

Looking at boot space, the Citroen C5 X offers barely more boot space – 545 L compared to 520 L. That’s a difference of about 25 L.

When it comes to payload, the BMW 5 Series Saloon carries visibly more – 600 kg compared to 399 kg. That’s a difference of about 201 kg.

Who wins the race in the data check?

The BMW 5 Series Saloon 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 £51,400
5 Series Saloon

BMW 5 Series Saloon

  • Engine Type Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 197 - 727 HP
  • Consumption L/100km 2.1 - 5.8 L/100km
  • Electric Range 67 - 105 km
BMW 5 Series Saloon
Citroen C5 X

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW 5 Series Saloon

The BMW 5 Series Saloon blends executive poise with a driver's instinct, delivering a supple, refined cabin and a chassis that prefers composed authority over bravado. For buyers who want a grown-up commuter that still enjoys a twisty road, it’s the kind of car that keeps your colleagues impressed and your weekend grin intact.

details

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.

details
BMW 5 Series Saloon
Citroen C5 X

Costs and Consumption

Price
51,400 - 124,500 £
Price
39,400 £
Consumption L/100km
2.1 - 5.8 L/100km
Consumption L/100km
5.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 - 105 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
48 - 152 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
1,800 - 2,515 kg
Curb weight
1,591 kg
Trunk capacity
466 - 520 L
Trunk capacity
545 L
Length
-
Length
-
Width
1,900 - 1,970 mm
Width
1,815 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
425 - 600 kg
Payload
399 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
197 - 727 HP
Power HP
145 HP
Acceleration 0-100km/h
3.5 - 7.5 s
Acceleration 0-100km/h
10.4 s
Max Speed
-
Max Speed
-
Torque
330 - 1,000 Nm
Torque
230 Nm
Number of Cylinders
4 - 8
Number of Cylinders
3
Power kW
145 - 535 kW
Power kW
107 kW
Engine capacity
1,995 - 4,395 cm3
Engine capacity
1,199 cm3

General

Model Year
2,023 - 2,026
Model Year
2025
CO2 Efficiency Class
D, E, B, C
CO2 Efficiency Class
D
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.