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Bentley Continental Convertible vs Porsche Cayman comparison

Compare performance (549 HP vs 500 HP), boot space and price (212,200 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Bentley Continental Convertible or Porsche Cayman?

Bentley Continental Convertible vs Porsche Cayman: Key differences

Bentley Continental Convertible

  • very slightly more power
  • marginally more efficient
  • markedly more trunk space
details

Porsche Cayman

  • significantly cheaper
  • noticeably quicker 0–100 km/h
  • significantly lighter
details

By Achim Sedelmaier

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

Continental Convertible

Costs and Efficiency:

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

Porsche Cayman is significantly cheaper – starting at 136,000 £ , while the Bentley Continental Convertible costs 212,200 £ . That’s a price difference of around 76,200 £.

Fuel consumption also shows a difference: the Bentley Continental Convertible uses 12.1 L/100km and is marginally more efficient than the Porsche Cayman with 13 L/100km. The difference is about 0.9 L/100km.

Cayman

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 Bentley Continental Convertible offers very slightly more power – delivering 549 HP compared to 500 HP. That’s roughly 49 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is noticeably quicker – completing the sprint in 3.4 s, while the Bentley Continental Convertible takes 4.1 s. That’s about 0.7 s quicker.

Looking at top speed, the Bentley Continental Convertible is barely faster – reaching 318 km/h, while the Porsche Cayman tops out at 315 km/h. The difference is around 3 km/h.

There’s also a difference in torque: the Bentley Continental Convertible delivers significantly more torque with 770 Nm compared to 450 Nm. That’s about 320 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: Bentley Continental Convertible offers more seats – 4 vs 2.

In terms of curb weight, Porsche Cayman is significantly lighter – 1,490 kg compared to 2,335 kg. The difference is around 845 kg.

Looking at boot space, the Bentley Continental Convertible offers markedly more boot space – 235 L compared to 184 L. That’s a difference of about 51 L.

When it comes to payload, the Bentley Continental Convertible carries noticeably more – 465 kg compared to 281 kg. That’s a difference of about 184 kg.

Who wins the race in the data check?

The Bentley Continental Convertible 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.

£212,228
Continental Convertible

Bentley Continental Convertible

  • Engine Type : Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 549 HP
  • Consumption L/100km : 12.1 L/100km
details

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Bentley Continental Convertible

The Bentley Continental GTC is the ultimate cruising companion, wrapping you in hand-stitched leather and hushed luxury while the roof folds away for sun-drenched grand tours. It’s impossibly accomplished — poised and surprisingly playful for its size — delivering an effortless presence that turns every motorway into a first-class runway.

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Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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Costs and Consumption
Price
212,200 £
Price
136,000 £
Consumption L/100km
12.1 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
275 g/km
co2
295 g/km
Fuel tank capacity
90 L
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Convertible
Body Type
Coupe
Seats
4
Seats
2
Doors
2
Doors
2
Curb weight
2,335 kg
Curb weight
1,490 kg
Trunk capacity
235 L
Trunk capacity
184 L
Length
4,850 mm
Length
4,456 mm
Width
1,964 mm
Width
1,822 mm
Height
1,399 mm
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
465 kg
Payload
281 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
549 HP
Power HP
500 HP
Acceleration 0-100km/h
4.1 s
Acceleration 0-100km/h
3.4 s
Max Speed
318 km/h
Max Speed
315 km/h
Torque
770 Nm
Torque
450 Nm
Number of Cylinders
8
Number of Cylinders
6
Power kW
404 kW
Power kW
368 kW
Engine capacity
3,996 cm3
Engine capacity
3,996 cm3

General
Model Year
2019
Model Year
2021
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Bentley
Brand
Porsche
Is the Bentley Continental Convertible offered with different drivetrains?

Available configurations include 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.