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BMW X7 vs Mercedes C-Class Saloon comparison

Compare performance (530 HP vs 680 HP), boot space and price (91,300 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – BMW X7 or Mercedes C-Class Saloon?

BMW X7 vs Mercedes C-Class Saloon: Key differences

BMW X7

4.9 (2 Reviews)
rate
  • visibly more trunk space
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Mercedes C-Class Saloon

  • considerably cheaper
  • clearly more power
  • substantially more efficient
  • markedly quicker 0–100 km/h
  • considerably lighter
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By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

X7

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.

Mercedes C-Class Saloon is considerably cheaper – starting at 41,300 £ , while the BMW X7 costs 91,300 £ . That’s a price difference of around 49,960 £.

Fuel consumption also shows a difference: the Mercedes C-Class Saloon uses 4.5 L/100km and is substantially more efficient than the BMW X7 with 8 L/100km. The difference is about 3.5 L/100km.

C-Class Saloon

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 C-Class Saloon offers clearly more power – delivering 680 HP compared to 530 HP. That’s roughly 150 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C-Class Saloon is markedly quicker – completing the sprint in 3.4 s, while the BMW X7 takes 4.7 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the Mercedes C-Class Saloon delivers noticeably more torque with 1,020 Nm compared to 750 Nm. That’s about 270 Nm more.

X7

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.

Seats: BMW X7 offers more seats – 7 vs 5.

In terms of curb weight, Mercedes C-Class Saloon is considerably lighter – 1,695 kg compared to 2,490 kg. The difference is around 795 kg.

Looking at boot space, the BMW X7 offers visibly more boot space – 750 L compared to 455 L. That’s a difference of about 295 L.

When it comes to payload, the BMW X7 carries clearly more – 760 kg compared to 570 kg. That’s a difference of about 190 kg.

Who wins the race in the data check?

The Mercedes C-Class Saloon 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 £41,300
C-Class Saloon

Mercedes C-Class Saloon

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 4.5 - 9 L/100km
  • Electric Range : 11 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW X7

The BMW X7 sits at the top of BMW’s SUV range, wrapping executive-level luxury and a cavernous cabin in a bold, road-commanding package. It’s ideal for buyers who want first-class comfort and presence on the road — think chauffeur-level refinement without hiring one, though you’ll need a confident approach to parking.

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Reviews BMW X7

4.9 (2 Reviews)
rate

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

Mercedes C-Class Saloon

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Reviews Mercedes C-Class Saloon

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

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BMW X7
Mercedes C-Class Saloon

Costs and Consumption
Price
91,300 - 118,300 £
Price
41,300 - 103,400 £
Consumption L/100km
8 - 12.1 L/100km
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
210 - 274 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
7
Seats
5
Doors
-
Doors
-
Curb weight
2,490 - 2,675 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
750 L
Trunk capacity
280 - 455 L
Length
-
Length
-
Width
2,000 mm
Width
1,820 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
680 - 760 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
352 - 530 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
4.7 - 5.9 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
-
Torque
520 - 750 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
259 - 390 kW
Power kW
135 - 500 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
G
CO2 Efficiency Class
E, D, G
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW X7?

The BMW X7 is available as 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.