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Ford Mustang Convertible vs Porsche Cayman comparison

Compare performance (446 HP vs 500 HP), boot space and price (56,900 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Ford Mustang Convertible or Porsche Cayman?

Ford Mustang Convertible vs Porsche Cayman: Key differences

Ford Mustang Convertible

  • substantially cheaper
  • barely more efficient
  • significantly more trunk space

Porsche Cayman

  • slightly more power
  • considerably quicker 0–100 km/h
  • noticeably lighter

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

Mustang Convertible

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Ford Mustang Convertible is substantially cheaper – starting at 56,900 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 79,114 £.

Fuel consumption also shows a difference: the Ford Mustang Convertible uses 12.3 L/100km and is barely more efficient than the Porsche Cayman with 13 L/100km. The difference is about 0.7 L/100km.

Cayman

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 Cayman offers slightly more power – delivering 500 HP compared to 446 HP. That’s roughly 54 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is considerably quicker – completing the sprint in 3.4 s, while the Ford Mustang Convertible takes 5 s. That’s about 1.6 s quicker.

Looking at top speed, the Porsche Cayman is noticeably faster – reaching 315 km/h, while the Ford Mustang Convertible tops out at 250 km/h. The difference is around 65 km/h.

There’s also a difference in torque: the Ford Mustang Convertible delivers a bit more torque with 540 Nm compared to 450 Nm. That’s about 90 Nm more.

Mustang Convertible

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.

Seats: Ford Mustang Convertible offers more seats – 4 vs 2.

In terms of curb weight, Porsche Cayman is noticeably lighter – 1,490 kg compared to 1,876 kg. The difference is around 386 kg.

Looking at boot space, the Ford Mustang Convertible offers significantly more boot space – 310 L compared to 184 L. That’s a difference of about 126 L.

When it comes to payload, the Ford Mustang Convertible carries moderately more – 324 kg compared to 281 kg. That’s a difference of about 43 kg.

Who wins the race in the data check?

The Ford Mustang Convertible holds a decisive overall lead 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 £56,900
Mustang Convertible

Ford Mustang Convertible

  • Engine Type : Petrol
  • Transmission : Manuel, Automatic
  • Drive Type : Rear-Wheel Drive
  • Power HP : 446 HP
  • Consumption L/100km : 12.3 - 12.4 L/100km
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Ford Mustang Convertible
Porsche Cayman

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Ford Mustang Convertible

The Ford Mustang Convertible makes every drive feel like a small celebration, its exhaust note and open-air drama turning mundane routes into showstoppers. It’s a car that doubles as a weekend mood lifter and a credible everyday companion, blending swagger with surprising practicality.

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Reviews Ford Mustang Convertible

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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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Reviews Porsche Cayman

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Ford Mustang Convertible
Porsche Cayman

Costs and Consumption
Price
56,900 - 59,900 £
Price
136,000 £
Consumption L/100km
12.3 - 12.4 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
280 - 282 g/km
co2
295 g/km
Fuel tank capacity
61 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
1,876 kg
Curb weight
1,490 kg
Trunk capacity
310 L
Trunk capacity
184 L
Length
4,810 mm
Length
4,456 mm
Width
1,916 mm
Width
1,822 mm
Height
1,403 mm
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
319 - 324 kg
Payload
281 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
446 HP
Power HP
500 HP
Acceleration 0-100km/h
5 - 5.4 s
Acceleration 0-100km/h
3.4 s
Max Speed
250 km/h
Max Speed
315 km/h
Torque
540 Nm
Torque
450 Nm
Number of Cylinders
8
Number of Cylinders
6
Power kW
328 kW
Power kW
368 kW
Engine capacity
5,038 cm3
Engine capacity
3,996 cm3

General
Model Year
2,024
Model Year
2,021
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Ford
Brand
Porsche
Is the Ford Mustang Convertible offered with different drivetrains?

The Ford Mustang Convertible is available as Rear-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.