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BMW Z4 vs Mercedes CLA Coupe comparison

Compare performance (340 HP vs 354 HP), boot space and price (43,500 £ vs 39,600 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Mercedes CLA Coupe?

BMW Z4 vs Mercedes CLA Coupe: Key differences

BMW Z4

  • only slightly quicker 0–100 km/h
  • a bit lighter
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Mercedes CLA Coupe

4.8 (2 Reviews)
rate
  • barely cheaper
  • very slightly more power
  • considerably more efficient
  • 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:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes CLA Coupe is barely cheaper – starting at 39,600 £ , while the BMW Z4 costs 43,500 £ . That’s a price difference of around 3,821 £.

Fuel consumption also shows a difference: the Mercedes CLA Coupe uses 4.9 L/100km and is considerably more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 2 L/100km.

CLA Coupe

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 CLA Coupe offers very slightly more power – delivering 354 HP compared to 340 HP. That’s roughly 14 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW Z4 is only slightly quicker – completing the sprint in 4.5 s, while the Mercedes CLA Coupe takes 4.9 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes CLA Coupe delivers barely more torque with 515 Nm compared to 500 Nm. That’s about 15 Nm more.

Z4

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes CLA Coupe offers more seats – 5 vs 2.

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

Looking at boot space, the Mercedes CLA Coupe offers noticeably more boot space – 405 L compared to 281 L. That’s a difference of about 124 L.

When it comes to payload, the Mercedes CLA Coupe carries clearly more – 455 kg compared to 235 kg. That’s a difference of about 220 kg.

Who wins the race in the data check?

The Mercedes CLA Coupe 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 £39,600
CLA Coupe

Mercedes CLA Coupe

  • Engine Type : Electric, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
  • Power HP : 156 - 354 HP
  • Consumption L/100km : 4.9 - 5.3 L/100km
  • Consumption kWh/100km : 12.2 - 12.6 kWh/100km
  • Electric Range : 541 - 791 km
BMW Z4
Mercedes CLA Coupe

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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Mercedes CLA Coupe

The Mercedes CLA Coupe cuts a rakish silhouette that blends sporty coupe lines with everyday practicality, giving style-minded buyers a premium image without shouting. Inside it feels more luxurious than its size suggests, with a slick cabin, intuitive tech and a composed ride — the kind of car that parties in the city and still shows up polished on Sunday morning.

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BMW Z4
Mercedes CLA Coupe

Costs and Consumption

Price
43,500 - 65,300 £
Price
39,600 - 59,300 £
Consumption L/100km
6.9 - 8.5 L/100km
Consumption L/100km
4.9 - 5.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
12.2 - 12.6 kWh/100km
Electric Range
-
Electric Range
541 - 791 km
Battery Capacity
-
Battery Capacity
58 kWh
co2
157 - 191 g/km
co2
0 - 120 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Roadster
Body Type
Coupe
Seats
2
Seats
5
Doors
-
Doors
4
Curb weight
1,510 - 1,640 kg
Curb weight
1,695 - 2,135 kg
Trunk capacity
281 L
Trunk capacity
405 L
Length
-
Length
4,723 mm
Width
1,864 mm
Width
1,855 mm
Height
-
Height
1,468 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
430 - 455 kg

Engine and Performance

Engine Type
Petrol
Engine Type
Electric, Petrol MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
Power HP
197 - 340 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
4.9 - 8.8 s
Max Speed
-
Max Speed
210 km/h
Torque
320 - 500 Nm
Torque
280 - 515 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
145 - 250 kW
Power kW
115 - 260 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
1,499 cm3

General

Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
F, G
CO2 Efficiency Class
A, C, D
Brand
BMW
Brand
Mercedes-Benz
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.