@ BMW Group Press
@ Mercedes-Benz Group Media
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BMW 4 Series Convertible vs Mercedes C-Class Sedan – Which one offers the better deal?

Two cars, one duel: BMW 4 Series Convertible meets Mercedes C-Class Sedan.
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 @ BMW Group Press

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 C-Class Sedan has a clearly perceptible advantage in terms of price – it starts at 41200 £, while the BMW 4 Series Convertible costs 52100 £. That’s a price difference of around 10948 £.

Fuel consumption also shows a difference: Mercedes C-Class Sedan manages with 1.60 L and is therefore decisively more efficient than the BMW 4 Series Convertible with 5.20 L. The difference is about 3.60 L per 100 km.

C-Class Sedan @ Mercedes-Benz Group Media

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 C-Class Sedan has a distinct edge – offering 680 HP compared to 530 HP. That’s roughly 150 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes C-Class Sedan is barely noticeable quicker – completing the sprint in 3.40 s, while the BMW 4 Series Convertible takes 3.70 s. That’s about 0.30 s faster.

In terms of top speed, the Mercedes C-Class Sedan performs slightly better – reaching 280 km/h, while the BMW 4 Series Convertible tops out at 250 km/h. The difference is around 30 km/h.

There’s also a difference in torque: Mercedes C-Class Sedan pulls evident stronger with 1020 Nm compared to 700 Nm. That’s about 320 Nm difference.

4 Series Convertible @ BMW Group Press

Space and Everyday Use:

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

Seats: Mercedes C-Class Sedan offers a bit more seating capacity – 5 vs 4.

In curb weight, Mercedes C-Class Sedan is barely noticeable lighter – 1695 kg compared to 1765 kg. The difference is around 70 kg.

In terms of boot space, the Mercedes C-Class Sedan offers somewhat more room – 455 L compared to 385 L. That’s a difference of about 70 L.

When it comes to payload, Mercedes C-Class Sedan noticeable takes the win – 570 kg compared to 420 kg. That’s a difference of about 150 kg.

Who wins the race?

The Mercedes C-Class Sedan proves to be is largely superior and therefore becomes our DriveDuel Champion!
Mercedes C-Class Sedan is the better all-rounder in this comparison.

from about £41,200
C-Class Sedan @ Mercedes-Benz Group Media

Mercedes C-Class Sedan

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 1.6 - 9 L
  • Electric Range : 11 - 117 km
details

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
P90400407_highRes_the-all-new-bmw-4-se @ BMW Group Press
P90400400_highRes_the-all-new-bmw-4-se @ BMW Group Press
P90400423_highRes_the-all-new-bmw-4-se @ BMW Group Press
P90414434_highRes_bmw-m440i-xdrive-con @ BMW Group Press
P90133563_highRes_the-new-bmw-4-series @ BMW Group Press

Mercedes C-Class Sedan

The Mercedes-Benz C-Class Sedan embodies a seamless blend of luxury and performance, capturing the quintessential essence of sophisticated driving. Its elegant design is complemented by a meticulously crafted interior, featuring premium materials and innovative technology to enhance comfort and convenience. On the road, the C-Class Saloon offers an impressive driving experience, harmonising precise handling with a composed and comfortable ride.

details
21C0295_008 @ Mercedes-Benz Group Media
21C0295_012 @ Mercedes-Benz Group Media
21C0295_018 @ Mercedes-Benz Group Media
21C0297_041 @ Mercedes-Benz Group Media
21C0297_069 @ Mercedes-Benz Group Media

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Costs and Consumption
Price
52100 - 96600 £
Price
41200 - 103100 £
Consumption L/100km
5.2 - 10.2 L
Consumption L/100km
1.6 - 9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 - 117 km
Battery Capacity
-
Battery Capacity
19.50 kWh
co2
136 - 231 g/km
co2
41 - 205 g/km
Fuel tank capacity
59 L
Fuel tank capacity
40 - 66 L

Dimensions and Body
Body Type
Convertible
Body Type
Sedan
Seats
4
Seats
5
Doors
2
Doors
4
Curb weight
1765 - 2055 kg
Curb weight
1695 - 2195 kg
Trunk capacity
385 L
Trunk capacity
280 - 455 L
Length
4768 - 4801 mm
Length
4751 - 4842 mm
Width
1852 - 1887 mm
Width
1820 - 1900 mm
Height
1384 - 1399 mm
Height
1438 - 1458 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
480 - 570 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
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
183 - 680 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
236 - 250 km/h
Max Speed
230 - 280 km/h
Torque
300 - 700 Nm
Torque
250 - 1020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
135 - 390 kW
Power kW
135 - 500 kW
Engine capacity
1995 - 2998 cm3
Engine capacity
1496 - 1999 cm3

General
Model Year
2024 - 2025
Model Year
2024 - 2025
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
E, B, D, G
Brand
BMW
Brand
Mercedes-Benz

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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.