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BMW 5 Series Touring vs Porsche 911 Convertible comparison

Compare performance (727 HP vs 711 HP), boot space and price (52,500 £ vs 122,400 £ ) at a glance. Find out which car is the better choice for you – BMW 5 Series Touring or Porsche 911 Convertible?

BMW 5 Series Touring vs Porsche 911 Convertible: Key differences

BMW 5 Series Touring

  • substantially cheaper
  • marginally more power
  • considerably more efficient
  • clearly more trunk space

Porsche 911 Convertible

  • noticeably quicker 0–100 km/h
  • slightly lighter

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

5 Series Touring

Costs and Efficiency:

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

BMW 5 Series Touring is substantially cheaper – starting at 52,500 £ , while the Porsche 911 Convertible costs 122,400 £ . That’s a price difference of around 69,858 £.

Fuel consumption also shows a difference: the BMW 5 Series Touring uses 2.3 L/100km and is considerably more efficient than the Porsche 911 Convertible with 10.3 L/100km. The difference is about 8 L/100km.

911 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 BMW 5 Series Touring offers marginally more power – delivering 727 HP compared to 711 HP. That’s roughly 16 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is noticeably quicker – completing the sprint in 2.6 s, while the BMW 5 Series Touring takes 3.6 s. That’s about 1 s quicker.

Looking at top speed, the Porsche 911 Convertible is moderately faster – reaching 312 km/h, while the BMW 5 Series Touring tops out at 250 km/h. The difference is around 62 km/h.

There’s also a difference in torque: the BMW 5 Series Touring delivers slightly more torque with 1,000 Nm compared to 800 Nm. That’s about 200 Nm more.

5 Series Touring

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 5 Series Touring offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is slightly lighter – 1,655 kg compared to 1,850 kg. The difference is around 195 kg.

Looking at boot space, the BMW 5 Series Touring offers clearly more boot space – 570 L compared to 163 L. That’s a difference of about 407 L.

When it comes to payload, the BMW 5 Series Touring carries significantly more – 620 kg compared to 345 kg. That’s a difference of about 275 kg.

Who wins the race in the data check?

The BMW 5 Series Touring is far ahead overall 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 £52,500
5 Series Touring

BMW 5 Series Touring

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 197 - 727 HP
  • Consumption L/100km : 2.3 - 6.1 L/100km
  • Electric Range : 65 - 98 km
BMW 5 Series Touring
Porsche 911 Convertible

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW 5 Series Touring

The BMW 5 Series Touring takes executive elegance and stretches it into a practical estate, marrying refined interior comfort with everyday usability. It drives with reassuring poise, offers plenty of space for luggage or a small life's worth of gear, and somehow manages to look sharper than most saloons in the car park — a compelling choice if you want luxury without surrendering practicality.

details

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
BMW 5 Series Touring
Porsche 911 Convertible

Costs and Consumption

Price
52,500 - 126,200 £
Price
122,400 - 244,500 £
Consumption L/100km
2.3 - 6.1 L/100km
Consumption L/100km
10.3 - 11.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
65 - 98 km
Electric Range
-
Battery Capacity
19 - 19.4 kWh
Battery Capacity
-
co2
53 - 157 g/km
co2
234 - 265 g/km
Fuel tank capacity
60 L
Fuel tank capacity
63 L

Dimensions and Body

Body Type
Estate
Body Type
Convertible
Seats
5
Seats
4
Doors
5
Doors
2
Curb weight
1,850 - 2,550 kg
Curb weight
1,655 - 1,900 kg
Trunk capacity
500 - 570 L
Trunk capacity
163 L
Length
5,060 mm
Length
4,542 - 4,553 mm
Width
1,900 - 1,970 mm
Width
1,852 - 1,900 mm
Height
1,515 mm
Height
1,292 - 1,298 mm
Max trunk capacity
1,700 L
Max trunk capacity
-
Payload
500 - 620 kg
Payload
275 - 345 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
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
197 - 727 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.6 - 7.5 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
218 - 250 km/h
Max Speed
291 - 312 km/h
Torque
330 - 1,000 Nm
Torque
450 - 800 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6
Power kW
145 - 535 kW
Power kW
290 - 523 kW
Engine capacity
1,995 - 4,395 cm3
Engine capacity
2,981 - 3,591 cm3

General

Model Year
2,024 - 2,026
Model Year
2,024 - 2,026
CO2 Efficiency Class
E, F, B, C
CO2 Efficiency Class
G
Brand
BMW
Brand
Porsche
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.