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Mazda MX-5 Roadster vs Porsche 911 Coupe comparison

Compare performance (132 HP vs 711 HP), boot space and price (29,000 £ vs 125,800 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Porsche 911 Coupe?

Mazda MX-5 Roadster vs Porsche 911 Coupe: Key differences

Mazda MX-5 Roadster

  • clearly cheaper
  • considerably more efficient
  • significantly lighter
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Porsche 911 Coupe

  • clearly more power
  • substantially quicker 0–100 km/h
  • clearly 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 clearly cheaper – starting at 29,000 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 96,866 £.

Fuel consumption also shows a difference: the Mazda MX-5 Roadster uses 6.2 L/100km and is considerably more efficient than the Porsche 911 Coupe with 10.3 L/100km. The difference is about 4.1 L/100km.

911 Coupe

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 911 Coupe offers clearly more power – delivering 711 HP compared to 132 HP. That’s roughly 579 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Coupe is substantially quicker – completing the sprint in 2.5 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 5.8 s quicker.

There’s also a difference in torque: the Porsche 911 Coupe delivers clearly more torque with 800 Nm compared to 152 Nm. That’s about 648 Nm more.

MX-5 Roadster

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 2 people.

In terms of curb weight, Mazda MX-5 Roadster is significantly lighter – 1,078 kg compared to 1,536 kg. The difference is around 458 kg.

Looking at boot space, the Porsche 911 Coupe offers clearly more boot space – 373 L compared to 130 L. That’s a difference of about 243 L.

When it comes to payload, the Porsche 911 Coupe carries substantially more – 310 kg compared to 152 kg. That’s a difference of about 158 kg.

Who wins the race in the data check?

The Porsche 911 Coupe 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 £125,800
911 Coupe

Porsche 911 Coupe

  • Engine Type Petrol, Full Hybrid
  • Transmission Manuel, Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 394 - 711 HP
  • Consumption L/100km 10.3 - 13.8 L/100km
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View detailed analysis

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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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Porsche 911 Coupe

The Porsche 911 Coupe remains the iconic sports car you buy when you want a thrilling weekend weapon that still behaves like a civilized companion during the weekdays. Its classic silhouette and razor‑sharp handling deliver a grin-inducing drive every time, while the polished interior and intuitive controls remind you this is a car built for drivers, not just headlines.

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Mazda MX-5 Roadster
Porsche 911 Coupe

Costs and Consumption
Price
29,000 - 34,300 £
Price
125,800 - 301,000 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
10.3 - 13.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
233 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Coupe
Seats
2
Seats
2
Doors
-
Doors
-
Curb weight
1,078 kg
Curb weight
1,536 - 1,815 kg
Trunk capacity
130 L
Trunk capacity
373 L
Length
-
Length
-
Width
1,735 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
152 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Full Hybrid
Transmission
Manuel
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
132 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
-
Max Speed
-
Torque
152 Nm
Torque
450 - 800 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
97 kW
Power kW
290 - 523 kW
Engine capacity
1,496 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2025
Model Year
2,024 - 2,026
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.