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Porsche Cayman vs Ford Mustang Convertible comparison

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

Porsche Cayman vs Ford Mustang Convertible: Key differences

Porsche Cayman

  • slightly more power
  • substantially quicker 0–100 km/h
  • noticeably lighter
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Ford Mustang Convertible

  • clearly cheaper
  • very slightly more efficient
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By Achim Sedelmaier

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

Cayman

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Ford Mustang Convertible is clearly 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 very slightly more efficient than the Porsche Cayman with 13 L/100km. The difference is about 0.7 L/100km.

Mustang 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 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 substantially quicker – completing the sprint in 3.4 s, while the Ford Mustang Convertible takes 5 s. That’s about 1.6 s quicker.

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.

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

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.

When it comes to payload, the Ford Mustang Convertible carries somewhat 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 is clearly superior 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 £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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

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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Costs and Consumption
Price
136,000 £
Price
56,900 - 59,900 £
Consumption L/100km
13 L/100km
Consumption L/100km
12.3 - 12.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
295 g/km
co2
280 - 282 g/km
Fuel tank capacity
54 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Convertible
Seats
2
Seats
4
Doors
2
Doors
-
Curb weight
1,490 kg
Curb weight
1,876 kg
Trunk capacity
184 L
Trunk capacity
-
Length
4,456 mm
Length
-
Width
1,822 mm
Width
1,916 mm
Height
1,267 mm
Height
-
Max trunk capacity
272 L
Max trunk capacity
-
Payload
281 kg
Payload
319 - 324 kg

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

General
Model Year
2021
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Porsche
Brand
Ford
What drivetrain options does the Porsche Cayman have?

The Porsche Cayman 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.