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BMW Z4 vs Mercedes C-Class Saloon comparison

Compare performance (340 HP vs 680 HP), boot space and price (43,500 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Mercedes C-Class Saloon?

BMW Z4 vs Mercedes C-Class Saloon: Key differences

BMW Z4

4.4 (1 Reviews)
rate
  • moderately lighter
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Mercedes C-Class Saloon

  • marginally cheaper
  • significantly more power
  • clearly more efficient
  • visibly quicker 0–100 km/h
  • noticeably more trunk space
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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

Z4

Costs and Efficiency:

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

Mercedes C-Class Saloon is marginally cheaper – starting at 41,300 £ , while the BMW Z4 costs 43,500 £ . That’s a price difference of around 2,132 £.

Fuel consumption also shows a difference: the Mercedes C-Class Saloon uses 4.5 L/100km and is clearly more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 2.4 L/100km.

C-Class Saloon

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 Saloon offers significantly more power – delivering 680 HP compared to 340 HP. That’s roughly 340 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C-Class Saloon is visibly quicker – completing the sprint in 3.4 s, while the BMW Z4 takes 4.5 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mercedes C-Class Saloon delivers substantially more torque with 1,020 Nm compared to 500 Nm. That’s about 520 Nm more.

Z4

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Mercedes C-Class Saloon offers more seats – 5 vs 2.

In terms of curb weight, BMW Z4 is moderately lighter – 1,510 kg compared to 1,695 kg. The difference is around 185 kg.

Looking at boot space, the Mercedes C-Class Saloon offers noticeably more boot space – 455 L compared to 281 L. That’s a difference of about 174 L.

When it comes to payload, the Mercedes C-Class Saloon carries clearly more – 570 kg compared to 235 kg. That’s a difference of about 335 kg.

Who wins the race in the data check?

The Mercedes C-Class Saloon is clearly superior 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 £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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BMW Z4
Mercedes C-Class Saloon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW Z4

The BMW Z4 is a taut, road-hugging roadster that pairs elegant, low-slung styling with a roof you can drop on a sunny whim, delivering that pure, wind-in-your-hair driving thrill few cars manage to match. It’s an ideal weekend companion for drivers who prefer engagement over practicality — bring good shoes rather than a lot of luggage, and you’ll get a grin every time you turn the wheel.

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P90479470_highRes_bmw-z4-m40i-09-2022
P90479471_highRes_bmw-z4-m40i-09-2022

Reviews BMW Z4

4.4 (1 Reviews)
rate
Maingard
26 Apr 2026, 13:19:10

Responsive car, very high-performing, very agile in corners.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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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21C0295_018
21C0297_041
21C0297_069

Reviews Mercedes C-Class Saloon

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

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BMW Z4
Mercedes C-Class Saloon

Costs and Consumption
Price
43,500 - 65,300 £
Price
41,300 - 103,400 £
Consumption L/100km
6.9 - 8.5 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
157 - 191 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Sedan
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,510 - 1,640 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
281 L
Trunk capacity
455 L
Length
-
Length
-
Width
1,864 mm
Width
1,820 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
197 - 340 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
-
Torque
320 - 500 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
145 - 250 kW
Power kW
135 - 500 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2,025 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
F, G
CO2 Efficiency Class
E, D, G
Brand
BMW
Brand
Mercedes-Benz
Is the BMW Z4 offered with different drivetrains?

The BMW Z4 is available as 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.