VS

BMW 4 Series Convertible vs Mercedes SL Class comparison

Compare performance (530 HP vs 816 HP), boot space and price (52,100 £ vs 112,700 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Mercedes SL Class?

BMW 4 Series Convertible vs Mercedes SL Class: Key differences

BMW 4 Series Convertible

  • clearly cheaper
  • substantially more efficient
  • only slightly lighter
details

Mercedes SL Class

  • noticeably more power
  • visibly quicker 0–100 km/h
details

By Achim Sedelmaier

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.

BMW 4 Series Convertible is clearly cheaper – starting at 52,100 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 60,590 £.

Fuel consumption also shows a difference: the BMW 4 Series Convertible uses 5.2 L/100km and is substantially more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 3.8 L/100km.

SL 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 Mercedes SL Class offers noticeably more power – delivering 816 HP compared to 530 HP. That’s roughly 286 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is visibly quicker – completing the sprint in 2.9 s, while the BMW 4 Series Convertible takes 3.7 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers significantly more torque with 1,420 Nm compared to 700 Nm. That’s about 720 Nm more.

4 Series Convertible

Space and Everyday Use:

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

Both vehicles offer seating for 4 people.

In terms of curb weight, BMW 4 Series Convertible is only slightly lighter – 1,765 kg compared to 1,810 kg. The difference is around 45 kg.

When it comes to payload, the BMW 4 Series Convertible carries a bit more – 420 kg compared to 375 kg. That’s a difference of about 45 kg.

Who wins the race in the data check?

The BMW 4 Series Convertible leads convincingly 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

BMW 4 Series Convertible
Mercedes CLE Convertible
VS
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 …
BMW 2 Series
BMW 4 Series Convertible
VS
In the realm of luxury coupes, the BMW 2 Series takes center stage with its compact agility and sporty dynamics, making it an ideal choice for enthusiasts seeking spirited driving in urban settings. Meanwhile, the BMW 4 Series Convertible offers an alluring blend of style and elegance, with its …
BMW 4 Series Convertible
Mercedes SL 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.

details
P90400407_highRes_the-all-new-bmw-4-se
P90400400_highRes_the-all-new-bmw-4-se
P90400423_highRes_the-all-new-bmw-4-se
P90414434_highRes_bmw-m440i-xdrive-con
P90133563_highRes_the-new-bmw-4-series

Reviews BMW 4 Series Convertible

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

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

details
15C1119_012
15C1119_029
15C1119_120
15C1119_004

Reviews Mercedes SL Class

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

Frequently compared as well

BMW 4 Series Convertible
Mercedes E Class
VS
Unsure whether the BMW 4 Series Convertible or the Mercedes E Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mercedes AMG GT
Mercedes SL Class
VS
Unsure whether the Mercedes AMG GT or the Mercedes SL Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
BMW 4 Series Convertible
Ford Mustang Convertible
VS
BMW 4 Series Convertible and Ford Mustang Convertible go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BMW 4 Series Convertible
VW T-Roc
VS
The BMW 4 Series Convertible and VW T-Roc compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes CLE Convertible
Mercedes SL Class
VS
The Mercedes CLE Convertible and Mercedes SL Class compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BMW 4 Series Convertible
BMW 8 Series Convertible
VS
The BMW 4 Series Convertible and BMW 8 Series Convertible compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BMW 4 Series Convertible
Mercedes CLE Coupe
VS
Unsure whether the BMW 4 Series Convertible or the Mercedes CLE Coupe is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
BMW 4 Series Convertible
BMW Z4
VS
When it comes to choosing between the BMW 4 Series Convertible and the BMW Z4, enthusiasts are presented with two distinctly appealing options. The 4 Series Convertible offers a blend of luxury and practicality, making it an ideal choice for those who seek a spacious interior without compromising …
BMW 4 Series Convertible
Mercedes SL Class

Costs and Consumption
Price
52,100 - 96,600 £
Price
112,700 - 219,300 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
9 - 13.6 L/100km
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
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Roadster
Seats
4
Seats
4
Doors
-
Doors
-
Curb weight
1,765 - 2,055 kg
Curb weight
1,810 - 2,195 kg
Trunk capacity
385 L
Trunk capacity
-
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,915 mm
Height
-
Height
-
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
-
Max Speed
-
Torque
300 - 700 Nm
Torque
480 - 1,420 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 8
Power kW
135 - 390 kW
Power kW
280 - 600 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2,024 - 2,025
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 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.