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Porsche 911 Convertible vs BMW 2 Series Gran Coupe comparison

Compare performance (711 HP vs 300 HP), boot space and price (138,000 £ vs 32,400 £ ) at a glance. Find out which car is the better choice for you – Porsche 911 Convertible or BMW 2 Series Gran Coupe?

Porsche 911 Convertible vs BMW 2 Series Gran Coupe: Key differences

Porsche 911 Convertible

  • considerably more power
  • considerably quicker 0–100 km/h
details

BMW 2 Series Gran Coupe

  • clearly cheaper
  • substantially more efficient
  • marginally lighter
  • slightly more trunk space
details

By Achim Sedelmaier

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

911 Convertible

Costs and Efficiency:

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

BMW 2 Series Gran Coupe is clearly cheaper – starting at 32,400 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 105,643 £.

Fuel consumption also shows a difference: the BMW 2 Series Gran Coupe uses 4.2 L/100km and is substantially more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 6.3 L/100km.

2 Series Gran Coupe

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 offers considerably more power – delivering 711 HP compared to 300 HP. That’s roughly 411 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is considerably quicker – completing the sprint in 2.6 s, while the BMW 2 Series Gran Coupe takes 4.9 s. That’s about 2.3 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers clearly more torque with 800 Nm compared to 400 Nm. That’s about 400 Nm more.

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: BMW 2 Series Gran Coupe offers more seats – 5 vs 4.

In terms of curb weight, BMW 2 Series Gran Coupe is marginally lighter – 1,495 kg compared to 1,572 kg. The difference is around 77 kg.

Looking at boot space, the BMW 2 Series Gran Coupe offers slightly more boot space – 430 L compared to 373 L. That’s a difference of about 57 L.

When it comes to payload, the BMW 2 Series Gran Coupe carries markedly more – 485 kg compared to 345 kg. That’s a difference of about 140 kg.

Who wins the race in the data check?

The BMW 2 Series Gran Coupe stands well ahead of its rival 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 £32,400
2 Series Gran Coupe

BMW 2 Series Gran Coupe

  • Engine Type Petrol MHEV, Diesel, Diesel MHEV, Petrol
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 122 - 300 HP
  • Consumption L/100km 4.2 - 7.5 L/100km
details

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Porsche 911 Convertible
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

details
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Reviews Porsche 911 Convertible

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BMW 2 Series Gran Coupe

The BMW 2 Series Gran Coupe pairs sharp handling with surprising practicality, wearing BMW's sporty looks in a compact, city-friendly shell. It's ideal for buyers who want a premium driving experience without the fuss of something larger — all the attitude, none of the excess.

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Porsche 911 Convertible
BMW 2 Series Gran Coupe

Costs and Consumption
Price
138,000 - 244,500 £
Price
32,400 - 54,900 £
Consumption L/100km
10.5 - 13.7 L/100km
Consumption L/100km
4.2 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
237 - 310 g/km
co2
110 - 170 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Coupe
Seats
2 - 4
Seats
5
Doors
-
Doors
-
Curb weight
1,572 - 1,900 kg
Curb weight
1,495 - 1,650 kg
Trunk capacity
163 - 373 L
Trunk capacity
360 - 430 L
Length
-
Length
-
Width
1,852 - 1,900 mm
Width
1,800 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
195 - 345 kg
Payload
455 - 485 kg

Engine and Performance
Engine Type
Petrol, Full Hybrid
Engine Type
Petrol MHEV, Diesel, Diesel MHEV, Petrol
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
394 - 711 HP
Power HP
122 - 300 HP
Acceleration 0-100km/h
2.6 - 4.7 s
Acceleration 0-100km/h
4.9 - 9.9 s
Max Speed
-
Max Speed
-
Torque
450 - 800 Nm
Torque
230 - 400 Nm
Number of Cylinders
6
Number of Cylinders
3 - 4
Power kW
290 - 523 kW
Power kW
90 - 221 kW
Engine capacity
2,981 - 3,996 cm3
Engine capacity
1,499 - 1,998 cm3

General
Model Year
2,024 - 2,026
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
D, C, F
Brand
Porsche
Brand
BMW
What drivetrain options does the Porsche 911 Convertible have?

The Porsche 911 Convertible is offered with 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.