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BMW 4 Series Convertible vs Mercedes SL Class – Differences & prices compared

Two cars, one duel: BMW 4 Series Convertible meets Mercedes SL Class.
Which one wins in performance, efficiency and value for money? Find out now!

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

4 Series Convertible @ press.bmwgroup.com

Costs and Efficiency:

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

BMW 4 Series Convertible has a decisively advantage in terms of price – it starts at 52100 £, while the Mercedes SL Class costs 112700 £. That’s a price difference of around 60590 £.

Fuel consumption also shows a difference: BMW 4 Series Convertible manages with 5.20 L and is therefore significantly more efficient than the Mercedes SL Class with 9 L. The difference is about 3.80 L per 100 km.

SL Class @ group-media.mercedes-benz.com

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes SL Class has a distinct edge – offering 816 HP compared to 530 HP. That’s roughly 286 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes SL Class is distinct quicker – completing the sprint in 2.90 s, while the BMW 4 Series Convertible takes 3.70 s. That’s about 0.80 s faster.

In terms of top speed, the Mercedes SL Class performs noticeable better – reaching 317 km/h, while the BMW 4 Series Convertible tops out at 250 km/h. The difference is around 67 km/h.

There’s also a difference in torque: Mercedes SL Class pulls clearly stronger with 1420 Nm compared to 700 Nm. That’s about 720 Nm difference.

4 Series Convertible @ press.bmwgroup.com

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 4 people.

In curb weight, BMW 4 Series Convertible is barely noticeable lighter – 1765 kg compared to 1810 kg. The difference is around 45 kg.

In terms of boot space, the BMW 4 Series Convertible offers distinct more room – 385 L compared to 240 L. That’s a difference of about 145 L.

When it comes to payload, BMW 4 Series Convertible to a small extent takes the win – 420 kg compared to 375 kg. That’s a difference of about 45 kg.

Who wins the race?

The BMW 4 Series Convertible proves to be wins solidly and therefore becomes our DriveDuel Champion!
BMW 4 Series Convertible is the better all-rounder in this comparison.

from about £52,100
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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

BMW 4 Series Convertible

The BMW 4 Series Convertible exudes elegance with its sleek lines and dynamic design, epitomising open-top driving pleasure. Its interior combines luxury with cutting-edge technology, offering an immersive driving experience enhanced by premium materials and intuitive controls. On the road, the car delivers a refined and exhilarating performance, ensuring every journey is as thrilling as it is comfortable.

details

Mercedes SL Class

The Mercedes-Benz SL-Class embodies a perfect fusion of performance and luxury, offering a driving experience that is both exhilarating and refined. Its sleek and aerodynamic design ensures a commanding presence on the road, while the sumptuous interior provides unparalleled comfort and cutting-edge technology. With a heritage of engineering excellence, this model stands as a testament to Mercedes-Benz's commitment to innovation and craftsmanship.

details
BMW 4 Series Convertible
Mercedes SL Class
4 Series Convertible
SL Class

Costs and Consumption

Price
52100 - 96600 £
Price
112700 - 219300 £
Consumption L/100km
5.2 - 10.2 L
Consumption L/100km
9 - 13.6 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
12 km
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
206 - 309 g/km
Fuel tank capacity
59 L
Fuel tank capacity
70 L

Dimensions and Body

Body Type
Convertible
Body Type
Roadster
Seats
4
Seats
4
Doors
2
Doors
2
Curb weight
1765 - 2055 kg
Curb weight
1810 - 2195 kg
Trunk capacity
385 L
Trunk capacity
110 - 240 L
Length
4768 - 4801 mm
Length
4697 - 4705 mm
Width
1852 - 1887 mm
Width
1915 mm
Height
1384 - 1399 mm
Height
1354 - 1359 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
145 - 375 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
184 - 530 HP
Power HP
381 - 816 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
236 - 250 km/h
Max Speed
260 - 317 km/h
Torque
300 - 700 Nm
Torque
480 - 1420 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 8
Power kW
135 - 390 kW
Power kW
280 - 600 kW
Engine capacity
1995 - 2998 cm3
Engine capacity
1991 - 3982 cm3

General

Model Year
2024 - 2025
Model Year
2025
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
G
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW 4 Series Convertible?

The BMW 4 Series Convertible is offered with Rear-Wheel Drive or 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.