VS

Mazda MX-5 Coupe vs Porsche 911 Convertible comparison

Compare performance (132 HP vs 711 HP), boot space and price (31,400 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Coupe or Porsche 911 Convertible?

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

Mazda MX-5 Coupe

  • clearly cheaper
  • considerably more efficient
  • substantially lighter
details

Porsche 911 Convertible

  • considerably more power
  • substantially quicker 0–100 km/h
  • substantially more trunk space
details

By Achim Sedelmaier

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

MX-5 Coupe

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.

Mazda MX-5 Coupe is clearly cheaper – starting at 31,400 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 106,638 £.

Fuel consumption also shows a difference: the Mazda MX-5 Coupe uses 6.2 L/100km and is considerably more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 4.3 L/100km.

911 Convertible

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 Porsche 911 Convertible offers considerably 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 Convertible is substantially quicker – completing the sprint in 2.6 s, while the Mazda MX-5 Coupe takes 8.6 s. That’s about 6 s quicker.

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

MX-5 Coupe

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: Porsche 911 Convertible offers more seats – 4 vs 2.

In terms of curb weight, Mazda MX-5 Coupe is substantially lighter – 1,114 kg compared to 1,572 kg. The difference is around 458 kg.

Looking at boot space, the Porsche 911 Convertible offers substantially more boot space – 373 L compared to 127 L. That’s a difference of about 246 L.

When it comes to payload, the Porsche 911 Convertible carries substantially more – 345 kg compared to 166 kg. That’s a difference of about 179 kg.

Who wins the race in the data check?

The Porsche 911 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.

from £138,000
911 Convertible

Porsche 911 Convertible

  • Engine Type Petrol, Full Hybrid
  • Transmission Manuel, Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 394 - 711 HP
  • Consumption L/100km 10.5 - 13.7 L/100km
details

Frequently compared as well

Mazda MX-5 Coupe
Genesis G70
VS
Unsure whether the Mazda MX-5 Coupe or the Genesis G70 is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Porsche 911 Convertible
Porsche Boxster
VS
Unsure whether the Porsche 911 Convertible or the Porsche Boxster is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mazda MX-5 Coupe
Porsche 911 Convertible

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda MX-5 Coupe

The Mazda MX-5 is a delightfully pure driver's car, wrapped in a compact package and tuned to make steering inputs feel like a conversation rather than a chore. It won’t overwhelm you with gadgetry, but what it delivers—nimble handling, instant feedback and an honest grin every time you drive—makes it a brilliant choice for anyone who values fun over flash.

details
2023_mazda_mx-5_portugal_act_003_highres
2023_mazda_mx-5_portugal_act_001_highres

Reviews Mazda MX-5 Coupe

No reviews yet. Share your experience and help others decide.

Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

details
serpimg_JYmvXq

Reviews Porsche 911 Convertible

No reviews yet. Share your experience and help others decide.

Frequently compared as well

Honda HR-V
Mazda MX-5 Coupe
VS
Unsure whether the Honda HR-V or the Mazda MX-5 Coupe is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mazda MX-5 Coupe
Mazda MX-5 Roadster
VS
Unsure whether the Mazda MX-5 Coupe or the Mazda MX-5 Roadster is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mazda MX-5 Coupe
Peugeot Boxer
VS
Mazda MX-5 Coupe and Peugeot Boxer go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Audi Q5
Porsche 911 Convertible
VS
The Audi Q5 and Porsche 911 Convertible compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BMW Z4
Mazda MX-5 Coupe
VS
Unsure whether the BMW Z4 or the Mazda MX-5 Coupe is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Jaguar E-Pace
Porsche 911 Convertible
VS
Unsure whether the Jaguar E-Pace or the Porsche 911 Convertible is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Lexus ES
Porsche 911 Convertible
VS
The Lexus ES and Porsche 911 Convertible compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Lexus UX
Porsche 911 Convertible
VS
Unsure whether the Lexus UX or the Porsche 911 Convertible is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mazda MX-5 Coupe
Porsche 911 Convertible

Costs and Consumption
Price
31,400 - 36,700 £
Price
138,000 - 244,500 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Convertible
Seats
2
Seats
2 - 4
Doors
-
Doors
-
Curb weight
1,114 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
127 L
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,735 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
166 kg
Payload
195 - 345 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
8.6 s
Acceleration 0-100km/h
2.6 - 4.7 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
Is the Mazda MX-5 Coupe offered with different drivetrains?

The Mazda MX-5 Coupe is offered with 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.