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Porsche Cayman vs Ferrari Roma Convertible comparison

Compare performance (500 HP vs 620 HP), boot space and price (136,000 £ vs 207,700 £ ) at a glance. Find out which car is the better choice for you – Porsche Cayman or Ferrari Roma Convertible?

Porsche Cayman vs Ferrari Roma Convertible: Key differences

Porsche Cayman

  • substantially cheaper
  • a bit lighter

Ferrari Roma Convertible

  • moderately more power
  • clearly more efficient
  • markedly more trunk space

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

Cayman

Costs and Efficiency:

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

Porsche Cayman is substantially cheaper – starting at 136,000 £ , while the Ferrari Roma Convertible costs 207,700 £ . That’s a price difference of around 71,671 £.

Fuel consumption also shows a difference: the Ferrari Roma Convertible uses 10.3 L/100km and is clearly more efficient than the Porsche Cayman with 13 L/100km. The difference is about 2.7 L/100km.

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Ferrari Roma Convertible offers moderately more power – delivering 620 HP compared to 500 HP. That’s roughly 120 HP more horsepower.

Both models accelerate almost equally fast – 3.4 s from 0 to 100 km/h.

Looking at top speed, the Ferrari Roma Convertible is barely faster – reaching 320 km/h, while the Porsche Cayman tops out at 315 km/h. The difference is around 5 km/h.

There’s also a difference in torque: the Ferrari Roma Convertible delivers considerably more torque with 760 Nm compared to 450 Nm. That’s about 310 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: Ferrari Roma Convertible offers more seats – 4 vs 2.

In terms of curb weight, Porsche Cayman is a bit lighter – 1,490 kg compared to 1,654 kg. The difference is around 164 kg.

Looking at boot space, the Ferrari Roma Convertible offers markedly more boot space – 272 L compared to 184 L. That’s a difference of about 88 L.

Who wins the race in the data check?

The Ferrari Roma 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.

£207,699
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Ferrari Roma Convertible

  • Engine Type : Petrol
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive
  • Power HP : 620 HP
  • Consumption L/100km : 10.3 L/100km
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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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Ferrari Roma Convertible

The Ferrari Roma Spider dresses the marque’s drama in a restrained, almost polite suit, folding its roof away to reveal a cabin that feels as civilized as it does intoxicating. Behind the wheel it serves grand touring manners with a playful shove and soundtrack, perfect for drivers who want thrilling Ferrari emotion without the daily fuss.

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Porsche Cayman
Ferrari Roma Convertible

Costs and Consumption
Price
136,000 £
Price
207,700 £
Consumption L/100km
13 L/100km
Consumption L/100km
10.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
295 g/km
co2
234 g/km
Fuel tank capacity
54 L
Fuel tank capacity
80 L

Dimensions and Body
Body Type
Coupe
Body Type
Convertible
Seats
2
Seats
4
Doors
2
Doors
2
Curb weight
1,490 kg
Curb weight
1,654 kg
Trunk capacity
184 L
Trunk capacity
272 L
Length
4,456 mm
Length
4,656 mm
Width
1,822 mm
Width
1,974 mm
Height
1,267 mm
Height
1,306 mm
Max trunk capacity
272 L
Max trunk capacity
-
Payload
281 kg
Payload
-

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
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
500 HP
Power HP
620 HP
Acceleration 0-100km/h
3.4 s
Acceleration 0-100km/h
3.4 s
Max Speed
315 km/h
Max Speed
320 km/h
Torque
450 Nm
Torque
760 Nm
Number of Cylinders
6
Number of Cylinders
8
Power kW
368 kW
Power kW
456 kW
Engine capacity
3,996 cm3
Engine capacity
3,855 cm3

General
Model Year
2,021
Model Year
2,023
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Porsche
Brand
Ferrari
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.