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BMW 4 Series Convertible vs Porsche 911 Convertible - Differences and prices compared
Compare performance (530 HP vs 711 HP), boot space and price (52100 £ vs 122400 £) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Porsche 911 Convertible?
4 Series Convertible
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 Convertible costs 122400 £. That’s a price difference of around 70286 £.
Fuel consumption also shows a difference: BMW 4 Series Convertible manages with 5.20 L and is therefore convincingly more efficient than the Porsche 911 Convertible with 10.30 L. The difference is about 5.10 L per 100 km.
4 Series Convertible
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 Porsche 911 Convertible has a evident 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 Convertible is significantly quicker – completing the sprint in 2.60 s, while the BMW 4 Series Convertible takes 3.70 s. That’s about 1.10 s faster.
In terms of top speed, the Porsche 911 Convertible performs noticeable better – reaching 322 km/h, while the BMW 4 Series Convertible tops out at 250 km/h. The difference is around 72 km/h.
There’s also a difference in torque: Porsche 911 Convertible pulls to a small extent stronger with 800 Nm compared to 700 Nm. That’s about 100 Nm difference.
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4 Series Convertible
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, Porsche 911 Convertible is hardly perceptible lighter – 1655 kg compared to 1765 kg. The difference is around 110 kg.
In terms of boot space, the BMW 4 Series Convertible offers decisively more room – 385 L compared to 163 L. That’s a difference of about 222 L.
When it comes to payload, BMW 4 Series Convertible somewhat takes the win – 420 kg compared to 345 kg. That’s a difference of about 75 kg.
Who wins the race?
The BMW 4 Series Convertible proves to be dominates this comparison and therefore becomes our DriveDuel Champion!
BMW 4 Series Convertible is the better all-rounder in this comparison.
from about £52,100
BMW 4 Series Convertible
BMW 4 Series Convertible
Porsche 911 Convertible
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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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Porsche 911 Convertible
The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.
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BMW 4 Series Convertible
Porsche 911 Convertible
Costs and Consumption |
|
|---|---|
|
Price
52100 - 96600 £
|
Price
122400 - 244500 £
|
|
Consumption L/100km
5.2 - 10.2 L
|
Consumption L/100km
10.3 - 11.7 L
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
-
|
Electric Range
-
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
136 - 231 g/km
|
co2
234 - 265 g/km
|
|
Fuel tank capacity
59 L
|
Fuel tank capacity
63 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Convertible
|
Body Type
Convertible
|
|
Seats
4
|
Seats
4
|
|
Doors
2
|
Doors
2
|
|
Curb weight
1765 - 2055 kg
|
Curb weight
1655 - 1900 kg
|
|
Trunk capacity
385 L
|
Trunk capacity
163 L
|
|
Length
4768 - 4770 mm
|
Length
4542 - 4553 mm
|
|
Width
1852 - 1887 mm
|
Width
1852 - 1900 mm
|
|
Height
1384 - 1394 mm
|
Height
1292 - 1302 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
345 - 420 kg
|
Payload
275 - 345 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
Rear-Wheel Drive, All-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
2.6 - 4.7 s
|
|
Max Speed
236 - 250 km/h
|
Max Speed
291 - 322 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 - 3591 cm3
|
General |
|
|---|---|
|
Model Year
2024 - 2025
|
Model Year
2024 - 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.