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BMW 4 Series Convertible vs Mercedes A Class comparison

Compare performance (530 HP vs 421 HP), boot space and price (52,100 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Mercedes A Class?

BMW 4 Series Convertible vs Mercedes A Class: Key differences

BMW 4 Series Convertible

  • markedly more power
  • marginally quicker 0–100 km/h
  • very slightly more trunk space
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Mercedes A Class

2.7 (1 Reviews)
rate
  • substantially cheaper
  • considerably more efficient
  • markedly lighter
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By Achim Sedelmaier

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

4 Series Convertible

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes A Class is substantially cheaper – starting at 32,600 £ , while the BMW 4 Series Convertible costs 52,100 £ . That’s a price difference of around 19,546 £.

Fuel consumption also shows a difference: the Mercedes A Class uses 2.3 L/100km and is considerably more efficient than the BMW 4 Series Convertible with 5.2 L/100km. The difference is about 2.9 L/100km.

A Class

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 markedly more power – delivering 530 HP compared to 421 HP. That’s roughly 109 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is marginally quicker – completing the sprint in 3.7 s, while the Mercedes A Class takes 3.9 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the BMW 4 Series Convertible delivers markedly more torque with 700 Nm compared to 500 Nm. That’s about 200 Nm more.

4 Series Convertible

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: Mercedes A Class offers more seats – 5 vs 4.

In terms of curb weight, Mercedes A Class is markedly lighter – 1,440 kg compared to 1,765 kg. The difference is around 325 kg.

Looking at boot space, the BMW 4 Series Convertible offers very slightly more boot space – 385 L compared to 350 L. That’s a difference of about 35 L.

When it comes to payload, the Mercedes A Class carries moderately more – 485 kg compared to 420 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The Mercedes A Class is far ahead 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 £32,600
A Class

Mercedes A Class

  • Engine Type : Petrol MHEV, Diesel, Plugin Hybrid, Petrol
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.3 - 9 L/100km
  • Electric Range : 85 km
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Frequently compared as well

Mercedes A Class
Mercedes B Class
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The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
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BMW 4 Series Convertible
Mercedes A Class

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 A Class

The Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.

details
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Reviews Mercedes A Class

2.7 (1 Reviews)
rate

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

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The BMW 4 Series Convertible and the Mercedes CLE Convertible go head-to-head as premium drop-top coupes, with the BMW known for taut, driver-focused handling and the CLE leaning into comfort, style, and advanced tech. Choose the 4 Series for a sharper, more engaging drive; opt for the CLE if you …
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BMW 4 Series Convertible
Mercedes A Class

Costs and Consumption
Price
52,100 - 96,600 £
Price
32,600 - 66,500 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
2.3 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
85 km
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
53 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Hatchback
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,765 - 2,055 kg
Curb weight
1,440 - 1,695 kg
Trunk capacity
385 L
Trunk capacity
310 - 350 L
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,796 - 1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
450 - 485 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
184 - 530 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
3.9 - 9.7 s
Max Speed
-
Max Speed
-
Torque
300 - 700 Nm
Torque
200 - 500 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
135 - 390 kW
Power kW
85 - 310 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
D, E, B, G
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.