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Mazda MX-5 Roadster vs Porsche Cayman comparison

Compare performance (132 HP vs 500 HP), boot space and price (28,400 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Porsche Cayman?

Mazda MX-5 Roadster vs Porsche Cayman: Key differences

Mazda MX-5 Roadster

  • considerably cheaper
  • substantially more efficient
  • noticeably lighter
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Porsche Cayman

  • clearly more power
  • clearly quicker 0–100 km/h
  • visibly more trunk space
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By Achim Sedelmaier

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

MX-5 Roadster

Costs and Efficiency:

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

Mazda MX-5 Roadster is considerably cheaper – starting at 28,400 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 107,580 £.

Fuel consumption also shows a difference: the Mazda MX-5 Roadster uses 6.2 L/100km and is substantially more efficient than the Porsche Cayman with 13 L/100km. The difference is about 6.8 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 Porsche Cayman offers clearly more power – delivering 500 HP compared to 132 HP. That’s roughly 368 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is clearly quicker – completing the sprint in 3.4 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 4.9 s quicker.

There’s also a difference in torque: the Porsche Cayman delivers significantly more torque with 450 Nm compared to 152 Nm. That’s about 298 Nm more.

MX-5 Roadster

Space and Everyday Use:

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

Both vehicles offer seating for 2 people.

In terms of curb weight, Mazda MX-5 Roadster is noticeably lighter – 1,078 kg compared to 1,490 kg. The difference is around 412 kg.

Looking at boot space, the Porsche Cayman offers visibly more boot space – 184 L compared to 130 L. That’s a difference of about 54 L.

When it comes to payload, the Porsche Cayman carries clearly more – 281 kg compared to 152 kg. That’s a difference of about 129 kg.

Who wins the race in the data check?

The Mazda MX-5 Roadster 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 £28,400
MX-5 Roadster

Mazda MX-5 Roadster

  • Engine Type : Petrol
  • Transmission : Manuel
  • Drive Type : Rear-Wheel Drive
  • Power HP : 132 HP
  • Consumption L/100km : 6.2 L/100km
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Mazda MX-5 Roadster
Porsche Cayman

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda MX-5 Roadster

The Mazda MX-5 is a featherweight, open-top sports car that turns ordinary roads into a grin-inducing playground thanks to razor-sharp steering and an engaging, tactile gearbox. It won’t swallow the weekly shopping or ski bags, but for anyone after pure driving fun and sun-on-your-face weekends, few cars match its sheer charm and value.

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Reviews Mazda MX-5 Roadster

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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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Mazda MX-5 Roadster
Porsche Cayman

Costs and Consumption
Price
28,400 - 33,800 £
Price
136,000 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Roadster
Body Type
Coupe
Seats
2
Seats
2
Doors
-
Doors
2
Curb weight
1,078 kg
Curb weight
1,490 kg
Trunk capacity
130 L
Trunk capacity
184 L
Length
-
Length
4,456 mm
Width
1,735 mm
Width
1,822 mm
Height
-
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
152 kg
Payload
281 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol
Transmission
Manuel
Transmission
Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
132 HP
Power HP
500 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
315 km/h
Torque
152 Nm
Torque
450 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
97 kW
Power kW
368 kW
Engine capacity
1,496 cm3
Engine capacity
3,996 cm3

General
Model Year
2025
Model Year
2021
CO2 Efficiency Class
E
CO2 Efficiency Class
G
Brand
Mazda
Brand
Porsche
What drive types are available for the Mazda MX-5 Roadster?

The Mazda MX-5 Roadster 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.