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BMW 4 Series Convertible vs Mercedes CLA Coupe comparison

Compare performance (530 HP vs 354 HP), boot space and price (52,100 £ vs 39,600 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Mercedes CLA Coupe?

BMW 4 Series Convertible vs Mercedes CLA Coupe: Key differences

BMW 4 Series Convertible

  • clearly more power
  • clearly quicker 0–100 km/h

Mercedes CLA Coupe

4.8 (2 Reviews)
rate
  • clearly cheaper
  • marginally more efficient
  • marginally lighter
  • barely more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

4 Series Convertible

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 clearly cheaper – starting at 39,600 £ , while the BMW 4 Series Convertible costs 52,100 £ . That’s a price difference of around 12,478 £.

Fuel consumption also shows a difference: the Mercedes CLA Coupe uses 4.9 L/100km and is marginally more efficient than the BMW 4 Series Convertible with 5.2 L/100km. The difference is about 0.3 L/100km.

CLA Coupe

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 4 Series Convertible offers clearly more power – delivering 530 HP compared to 354 HP. That’s roughly 176 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is clearly quicker – completing the sprint in 3.7 s, while the Mercedes CLA Coupe takes 4.9 s. That’s about 1.2 s quicker.

Looking at top speed, the BMW 4 Series Convertible is a bit faster – reaching 250 km/h, while the Mercedes CLA Coupe tops out at 210 km/h. The difference is around 40 km/h.

There’s also a difference in torque: the BMW 4 Series Convertible delivers markedly more torque with 700 Nm compared to 515 Nm. That’s about 185 Nm more.

4 Series Convertible

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 CLA Coupe offers more seats – 5 vs 4.

In terms of curb weight, Mercedes CLA Coupe is marginally lighter – 1,695 kg compared to 1,765 kg. The difference is around 70 kg.

Looking at boot space, the Mercedes CLA Coupe offers barely more boot space – 405 L compared to 385 L. That’s a difference of about 20 L.

When it comes to payload, the Mercedes CLA Coupe carries marginally more – 455 kg compared to 420 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The BMW 4 Series Convertible holds a solid 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 £52,100
4 Series Convertible

BMW 4 Series Convertible

  • Engine Type : Diesel MHEV, Petrol, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 184 - 530 HP
  • Consumption L/100km : 5.2 - 10.2 L/100km
details

Frequently compared as well

Mercedes CLA Coupe
Mercedes EQA
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BMW 4 Series Convertible
Mercedes CLA Coupe

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 4 Series Convertible

The BMW 4 Series Convertible blends coupe-like elegance with open-top drama, its sleek profile and distinctive grille demanding attention whether the roof’s up or down. Behind the wheel it serves up taut handling and a refined ride, making it a rewarding choice for drivers who want sporty character without sacrificing everyday comfort — and yes, it looks spectacular when you drop the top.

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Reviews BMW 4 Series Convertible

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

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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Reviews Mercedes CLA Coupe

4.8 (2 Reviews)
rate
marco
12 Mar 2026, 18:44:45

A car with a unique line — the shooting brake finally gets a sporty rear and a roomy trunk.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Dejf
18 Dec 2025, 14:59:40

Nice efficient car. Like it

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

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BMW 4 Series Convertible
Mercedes CLA Coupe

Costs and Consumption
Price
52,100 - 96,600 £
Price
39,600 - 59,300 £
Consumption L/100km
5.2 - 10.2 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
136 - 231 g/km
co2
0 - 120 g/km
Fuel tank capacity
59 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Coupe
Seats
4
Seats
5
Doors
2
Doors
4
Curb weight
1,765 - 2,055 kg
Curb weight
1,695 - 2,135 kg
Trunk capacity
385 L
Trunk capacity
405 L
Length
4,768 - 4,770 mm
Length
4,723 mm
Width
1,852 - 1,887 mm
Width
1,855 mm
Height
1,384 - 1,394 mm
Height
1,468 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
430 - 455 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Electric, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
Power HP
184 - 530 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
4.9 - 8.8 s
Max Speed
236 - 250 km/h
Max Speed
210 km/h
Torque
300 - 700 Nm
Torque
280 - 515 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
135 - 390 kW
Power kW
115 - 260 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,499 cm3

General
Model Year
2,024 - 2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
A, C, D
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW 4 Series Convertible?

The BMW 4 Series Convertible is available as Rear-Wheel Drive or 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.