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BMW 4 Series Convertible vs Porsche 911 Coupe – Which car suits you better?

Both models have their strengths – but which one suits you more?
Compare performance, efficiency, price and space directly: BMW 4 Series Convertible or Porsche 911 Coupe?

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

Costs and Efficiency: Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BMW 4 Series Convertible has a convincingly advantage in terms of price – it starts at 52100 £, while the Porsche 911 Coupe costs 116800 £. That’s a price difference of around 64714 £.

Fuel consumption also shows a difference: BMW 4 Series Convertible manages with 5.20 L and is therefore significantly more efficient than the Porsche 911 Coupe with 10.10 L. The difference is about 4.90 L per 100 km.

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 Porsche 911 Coupe has a clearly perceptible edge – offering 711 HP compared to 530 HP. That’s roughly 181 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche 911 Coupe is decisively quicker – completing the sprint in 2.50 s, while the BMW 4 Series Convertible takes 3.70 s. That’s about 1.20 s faster.

In terms of top speed, the Porsche 911 Coupe performs noticeable better – reaching 330 km/h, while the BMW 4 Series Convertible tops out at 250 km/h. The difference is around 80 km/h.

There’s also a difference in torque: Porsche 911 Coupe pulls slightly stronger with 800 Nm compared to 700 Nm. That’s about 100 Nm difference.

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.

Both vehicles offer seating for 4 people.

In curb weight, Porsche 911 Coupe is a bit lighter – 1525 kg compared to 1765 kg. The difference is around 240 kg.

In terms of boot space, the BMW 4 Series Convertible offers hardly perceptible more room – 385 L compared to 373 L. That’s a difference of about 12 L.

When it comes to payload, BMW 4 Series Convertible distinct takes the win – 420 kg compared to 310 kg. That’s a difference of about 110 kg.

Who wins the race?

The BMW 4 Series Convertible proves to be leaves the rival little chance 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.

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Porsche 911 Coupe

The Porsche 911 Coupe continues to embody the perfect blend of tradition and innovation, offering an exhilarating driving experience that captures the essence of classic sports car performance. Its iconic design, characterised by sleek aerodynamic lines and a distinctive silhouette, pays homage to its storied heritage while integrating modern enhancements. Inside, the cabin effortlessly combines luxury with driver-focused technology, ensuring that every journey is as comfortable as it is thrilling, making it a timeless choice for enthusiasts.

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BMW 4 Series Convertible
Porsche 911 Coupe
4 Series Convertible
911 Coupe

Costs and Consumption

Price
52100 - 96600 £
Price
116800 - 234900 £
Consumption L/100km
5.2 - 10.2 L
Consumption L/100km
10.1 - 13.8 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
229 - 312 g/km
Fuel tank capacity
59 L
Fuel tank capacity
63 - 64 L

Dimensions and Body

Body Type
Convertible
Body Type
Coupe
Seats
4
Seats
2 - 4
Doors
2
Doors
2
Curb weight
1765 - 2055 kg
Curb weight
1525 - 1815 kg
Trunk capacity
385 L
Trunk capacity
264 - 373 L
Length
4768 - 4801 mm
Length
4535 - 4572 mm
Width
1852 - 1887 mm
Width
1852 - 1900 mm
Height
1384 - 1399 mm
Height
1279 - 1322 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
205 - 310 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
184 - 530 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
236 - 250 km/h
Max Speed
294 - 330 km/h
Torque
300 - 700 Nm
Torque
450 - 800 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6
Power kW
135 - 390 kW
Power kW
290 - 523 kW
Engine capacity
1995 - 2998 cm3
Engine capacity
2981 - 3996 cm3

General

Model Year
2024 - 2025
Model Year
2022 - 2026
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
G
Brand
BMW
Brand
Porsche
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.