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Mazda 6 Saloon vs Porsche 911 Convertible comparison

Compare performance (258 HP vs 711 HP), boot space and price (38,500 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Saloon or Porsche 911 Convertible?

Mazda 6 Saloon vs Porsche 911 Convertible: Key differences

Mazda 6 Saloon

  • significantly cheaper
details

Porsche 911 Convertible

  • considerably more power
  • considerably quicker 0–100 km/h
  • visibly lighter
  • very slightly more trunk space
details

By Achim Sedelmaier

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

6 Saloon

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 6 Saloon is significantly cheaper – starting at 38,500 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 99,515 £.

911 Convertible

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 Convertible offers considerably more power – delivering 711 HP compared to 258 HP. That’s roughly 453 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is considerably quicker – completing the sprint in 2.6 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 5 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers significantly more torque with 800 Nm compared to 320 Nm. That’s about 480 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: Mazda 6 Saloon offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is visibly lighter – 1,572 kg compared to 2,027 kg. The difference is around 455 kg.

Looking at boot space, the Porsche 911 Convertible offers very slightly more boot space – 373 L compared to 336 L. That’s a difference of about 37 L.

When it comes to payload, the Mazda 6 Saloon carries very slightly more – 360 kg compared to 345 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The Porsche 911 Convertible is slightly ahead 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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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Reviews Mazda 6 Saloon

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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

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Costs and Consumption
Price
38,500 - 41,600 £
Price
138,000 - 244,500 £
Consumption L/100km
-
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Consumption kWh/100km
-
Electric Range
479 - 552 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Convertible
Seats
5
Seats
2 - 4
Doors
5
Doors
-
Curb weight
2,027 - 2,028 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
336 L
Trunk capacity
163 - 373 L
Length
4,921 mm
Length
-
Width
1,890 mm
Width
1,852 - 1,900 mm
Height
1,491 mm
Height
-
Max trunk capacity
1,074 L
Max trunk capacity
-
Payload
359 - 360 kg
Payload
195 - 345 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
245 - 258 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
175 km/h
Max Speed
-
Torque
320 Nm
Torque
450 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
180 - 190 kW
Power kW
290 - 523 kW
Engine capacity
-
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Mazda
Brand
Porsche
What drive types are available for the Mazda 6 Saloon?

The Mazda 6 Saloon 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.