@ BMW Group Press
@ Mercedes-Benz Group Media
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BMW X6 vs Mercedes C-Class Sedan – Differences & prices compared

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – BMW X6 or Mercedes C-Class Sedan?

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

X6 @ BMW Group Press

Costs and Efficiency:

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

Mercedes C-Class Sedan has a convincingly advantage in terms of price – it starts at 41200 £, while the BMW X6 costs 83600 £. That’s a price difference of around 42405 £.

Fuel consumption also shows a difference: Mercedes C-Class Sedan manages with 1.60 L and is therefore significantly more efficient than the BMW X6 with 7.20 L. The difference is about 5.60 L per 100 km.

C-Class Sedan @ Mercedes-Benz Group Media

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes C-Class Sedan has a barely noticeable edge – offering 680 HP compared to 625 HP. That’s roughly 55 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes C-Class Sedan is somewhat quicker – completing the sprint in 3.40 s, while the BMW X6 takes 3.90 s. That’s about 0.50 s faster.

In terms of top speed, the Mercedes C-Class Sedan performs a bit better – reaching 280 km/h, while the BMW X6 tops out at 250 km/h. The difference is around 30 km/h.

There’s also a difference in torque: Mercedes C-Class Sedan pulls noticeable stronger with 1020 Nm compared to 750 Nm. That’s about 270 Nm difference.

X6 @ BMW Group Press

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 curb weight, Mercedes C-Class Sedan is distinct lighter – 1695 kg compared to 2240 kg. The difference is around 545 kg.

In terms of boot space, the BMW X6 offers clearly perceptible more room – 580 L compared to 455 L. That’s a difference of about 125 L.

When it comes to payload, BMW X6 somewhat takes the win – 695 kg compared to 570 kg. That’s a difference of about 125 kg.

Who comes out on top?

Overall, the Mercedes C-Class Sedan shows itself to be outperforms in nearly all aspects and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £41,200
C-Class Sedan @ Mercedes-Benz Group Media

Mercedes C-Class Sedan

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 1.6 - 9 L
  • Electric Range : 11 - 117 km
details

BMW X6

The BMW X6 wears its coupe-SUV looks like a tuxedo with oversized shoulders, turning everyday traffic into a catwalk whenever it glides past. It serves up sporty handling and a plush cabin with just enough practicality to keep daily life sane — perfect for buyers who crave drama without completely abandoning common sense.

details
P90390476_highRes_the-new-bmw-x6-xdriv @ BMW Group Press
P90390471_highRes_the-new-bmw-x6-xdriv @ BMW Group Press
P90390481_highRes_the-new-bmw-x6-xdriv @ BMW Group Press
P90390482_highRes_the-new-bmw-x6-xdriv @ BMW Group Press
P90390490_highRes_the-new-bmw-x6-xdriv @ BMW Group Press

Mercedes C-Class Sedan

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.

details
21C0295_008 @ Mercedes-Benz Group Media
21C0295_012 @ Mercedes-Benz Group Media
21C0295_018 @ Mercedes-Benz Group Media
21C0297_041 @ Mercedes-Benz Group Media
21C0297_069 @ Mercedes-Benz Group Media

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Costs and Consumption
Price
83600 - 146400 £
Price
41200 - 103100 £
Consumption L/100km
7.2 - 12.7 L
Consumption L/100km
1.6 - 9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 - 117 km
Battery Capacity
-
Battery Capacity
19.50 kWh
co2
188 - 288 g/km
co2
41 - 205 g/km
Fuel tank capacity
80 - 83 L
Fuel tank capacity
40 - 66 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
2240 - 2445 kg
Curb weight
1695 - 2195 kg
Trunk capacity
580 L
Trunk capacity
280 - 455 L
Length
4948 - 4960 mm
Length
4751 - 4842 mm
Width
2004 - 2019 mm
Width
1820 - 1900 mm
Height
1695 - 1700 mm
Height
1438 - 1458 mm
Max trunk capacity
1530 L
Max trunk capacity
-
Payload
595 - 695 kg
Payload
480 - 570 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
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
298 - 625 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
3.9 - 6.1 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
235 - 250 km/h
Max Speed
230 - 280 km/h
Torque
540 - 750 Nm
Torque
250 - 1020 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
219 - 460 kW
Power kW
135 - 500 kW
Engine capacity
2993 - 4395 cm3
Engine capacity
1496 - 1999 cm3

General
Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
G
CO2 Efficiency Class
E, B, D, G
Brand
BMW
Brand
Mercedes-Benz

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What drivetrain options does the BMW X6 have?

The BMW X6 is available as All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.