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Ford Mustang Convertible vs Porsche 911 Coupe comparison

Compare performance (446 HP vs 711 HP), boot space and price (56,900 £ vs 125,800 £ ) at a glance. Find out which car is the better choice for you – Ford Mustang Convertible or Porsche 911 Coupe?

Ford Mustang Convertible vs Porsche 911 Coupe: Key differences

Ford Mustang Convertible

  • substantially cheaper
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Porsche 911 Coupe

  • noticeably more power
  • moderately more efficient
  • clearly quicker 0–100 km/h
  • markedly lighter
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By Achim Sedelmaier

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

Mustang Convertible

Costs and Efficiency:

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

Ford Mustang Convertible is substantially cheaper – starting at 56,900 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 68,914 £.

Fuel consumption also shows a difference: the Porsche 911 Coupe uses 10.3 L/100km and is moderately more efficient than the Ford Mustang Convertible with 12.3 L/100km. The difference is about 2 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 noticeably more power – delivering 711 HP compared to 446 HP. That’s roughly 265 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Coupe is clearly quicker – completing the sprint in 2.5 s, while the Ford Mustang Convertible takes 5 s. That’s about 2.5 s quicker.

There’s also a difference in torque: the Porsche 911 Coupe delivers clearly more torque with 800 Nm compared to 540 Nm. That’s about 260 Nm more.

Mustang Convertible

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: Ford Mustang Convertible offers more seats – 4 vs 2.

In terms of curb weight, Porsche 911 Coupe is markedly lighter – 1,536 kg compared to 1,876 kg. The difference is around 340 kg.

When it comes to payload, the Ford Mustang Convertible carries marginally more – 324 kg compared to 310 kg. That’s a difference of about 14 kg.

Who wins the race in the data check?

The Porsche 911 Coupe leads convincingly 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
Ford Mustang Convertible
Porsche 911 Coupe

Costs and Consumption

View detailed analysis

Engine and Performance

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Dimensions and Body

View detailed analysis

Ford Mustang Convertible

The Ford Mustang Convertible makes every drive feel like a small celebration, its exhaust note and open-air drama turning mundane routes into showstoppers. It’s a car that doubles as a weekend mood lifter and a credible everyday companion, blending swagger with surprising practicality.

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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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Ford Mustang Convertible
Porsche 911 Coupe

Costs and Consumption

Price
56,900 - 59,900 £
Price
125,800 - 301,000 £
Consumption L/100km
12.3 - 12.4 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
280 - 282 g/km
co2
233 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Convertible
Body Type
Coupe
Seats
4
Seats
2
Doors
-
Doors
-
Curb weight
1,876 kg
Curb weight
1,536 - 1,815 kg
Trunk capacity
-
Trunk capacity
373 L
Length
-
Length
-
Width
1,916 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
319 - 324 kg
Payload
228 - 310 kg

Engine and Performance

Engine Type
Petrol
Engine Type
Petrol, Full Hybrid
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
446 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
5 - 5.4 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
-
Max Speed
-
Torque
540 Nm
Torque
450 - 800 Nm
Number of Cylinders
8
Number of Cylinders
6
Power kW
328 kW
Power kW
290 - 523 kW
Engine capacity
5,038 cm3
Engine capacity
2,981 - 3,996 cm3

General

Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Ford
Brand
Porsche
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.