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Porsche 911 Convertible vs Mazda CX-5 comparison

Compare performance (711 HP vs 141 HP), boot space and price (138,000 £ vs 30,000 £ ) at a glance. Find out which car is the better choice for you – Porsche 911 Convertible or Mazda CX-5?

Porsche 911 Convertible vs Mazda CX-5: Key differences

Porsche 911 Convertible

  • substantially more power
  • clearly quicker 0–100 km/h
  • very slightly lighter
details

Mazda CX-5

4.7 (11 Reviews)
rate
  • substantially cheaper
  • clearly more efficient
  • somewhat more trunk space
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

911 Convertible

Costs and Efficiency:

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

Mazda CX-5 is substantially cheaper – starting at 30,000 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 108,009 £.

Fuel consumption also shows a difference: the Mazda CX-5 uses 7 L/100km and is clearly more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 3.5 L/100km.

CX-5

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 substantially more power – delivering 711 HP compared to 141 HP. That’s roughly 570 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is clearly quicker – completing the sprint in 2.6 s, while the Mazda CX-5 takes 10.5 s. That’s about 7.9 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers substantially more torque with 800 Nm compared to 238 Nm. That’s about 562 Nm more.

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: Mazda CX-5 offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is very slightly lighter – 1,572 kg compared to 1,629 kg. The difference is around 57 kg.

Looking at boot space, the Mazda CX-5 offers somewhat more boot space – 466 L compared to 373 L. That’s a difference of about 93 L.

When it comes to payload, the Mazda CX-5 carries clearly more – 601 kg compared to 345 kg. That’s a difference of about 256 kg.

Who wins the race in the data check?

The Porsche 911 Convertible stands well ahead of its rival 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
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View detailed analysis

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.

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Reviews Porsche 911 Convertible

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

Mazda CX-5

The Mazda CX-5 blends sporty handling with a refined, premium interior, making everyday driving feel engaging and comfortable. It pairs stylish design and thoughtful cabin materials with user-friendly tech to deliver a well-rounded compact SUV that suits drivers who want more driver involvement without sacrificing practicality.

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Reviews Mazda CX-5

4.7 (11 Reviews)
rate
Ghighi
26 Jul 2026, 15:53:31

Mazda is much better designed. Audis are pretty ugly overall, especially the "Q" series.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Marc Adriaans
4 Jun 2026, 13:04:31

I've been driving Mazdas for about ten years now without problems and with a lot of enjoyment. The last 3.5 years in a CX‑5. A really nice, smooth car that can tow quite a bit too, although I wouldn't recommend doing that with the FWD because it lacks grip on the front axle — so if you fit a towbar always choose the AWD. The only downside I can think of, after long consideration, is... nothing 🤔

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Bengt
25 Jan 2026, 14:05:09

I've owned several Volvos, but I drive a Mazda now and would never switch back.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Porsche 911 Convertible
Mazda CX-5

Costs and Consumption
Price
138,000 - 244,500 £
Price
30,000 - 39,500 £
Consumption L/100km
10.5 - 13.7 L/100km
Consumption L/100km
7 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
237 - 310 g/km
co2
157 - 169 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
2 - 4
Seats
5
Doors
-
Doors
-
Curb weight
1,572 - 1,900 kg
Curb weight
1,629 - 1,671 kg
Trunk capacity
163 - 373 L
Trunk capacity
466 L
Length
-
Length
-
Width
1,852 - 1,900 mm
Width
1,860 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
195 - 345 kg
Payload
566 - 601 kg

Engine and Performance
Engine Type
Petrol, Full Hybrid
Engine Type
Petrol MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
394 - 711 HP
Power HP
141 HP
Acceleration 0-100km/h
2.6 - 4.7 s
Acceleration 0-100km/h
10.5 - 10.9 s
Max Speed
-
Max Speed
-
Torque
450 - 800 Nm
Torque
238 Nm
Number of Cylinders
6
Number of Cylinders
4
Power kW
290 - 523 kW
Power kW
104 kW
Engine capacity
2,981 - 3,996 cm3
Engine capacity
2,488 cm3

General
Model Year
2,024 - 2,026
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
F
Brand
Porsche
Brand
Mazda
What drivetrain options does the Porsche 911 Convertible have?

The Porsche 911 Convertible is offered with Rear-Wheel Drive or All-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.