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Mercedes AMG GT 4-Door Coupé vs Porsche 911 Convertible comparison

Compare performance (1,169 HP vs 711 HP), boot space and price (132,600 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes AMG GT 4-Door Coupé or Porsche 911 Convertible?

Mercedes AMG GT 4-Door Coupé vs Porsche 911 Convertible: Key differences

Mercedes AMG GT 4-Door Coupé

  • very slightly cheaper
  • clearly more power
  • very slightly quicker 0–100 km/h
  • barely more trunk space
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Porsche 911 Convertible

  • significantly lighter
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By Achim Sedelmaier

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

AMG GT 4-Door Coupé

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.

Mercedes AMG GT 4-Door Coupé is very slightly cheaper – starting at 132,600 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 5,400 £.

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 Mercedes AMG GT 4-Door Coupé offers clearly more power – delivering 1,169 HP compared to 711 HP. That’s roughly 458 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is very slightly quicker – completing the sprint in 2.4 s, while the Porsche 911 Convertible takes 2.6 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers considerably more torque with 2,000 Nm compared to 800 Nm. That’s about 1,200 Nm more.

AMG GT 4-Door Coupé

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.

Both vehicles offer seating for 4 people.

In terms of curb weight, Porsche 911 Convertible is significantly lighter – 1,572 kg compared to 2,535 kg. The difference is around 963 kg.

Looking at boot space, the Mercedes AMG GT 4-Door Coupé offers barely more boot space – 400 L compared to 373 L. That’s a difference of about 27 L.

When it comes to payload, the Mercedes AMG GT 4-Door Coupé carries visibly more – 460 kg compared to 345 kg. That’s a difference of about 115 kg.

Who wins the race in the data check?

The Mercedes AMG GT 4-Door Coupé 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 £132,600
AMG GT 4-Door Coupé

Mercedes AMG GT 4-Door Coupé

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 816 - 1,169 HP
  • Consumption kWh/100km 18.1 - 18.2 kWh/100km
  • Electric Range 686 - 690 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes AMG GT 4-Door Coupé

The Mercedes-AMG GT 4-Door Coupé transforms AMG's sports-car attitude into a surprisingly practical four-door package, pairing dramatic coupe looks with an interior that's both luxurious and genuinely usable. It's the choice for buyers who want supercar charisma without losing daily comfort — dramatic presence, a rorty soundtrack, and a chassis that turns routine drives into something worth smiling about.

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Reviews Mercedes AMG GT 4-Door Coupé

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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
132,600 - 168,300 £
Price
138,000 - 244,500 £
Consumption L/100km
-
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
18.1 - 18.2 kWh/100km
Consumption kWh/100km
-
Electric Range
686 - 690 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
-
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Convertible
Seats
4
Seats
2 - 4
Doors
-
Doors
-
Curb weight
2,535 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
400 L
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,958 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
460 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
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
816 - 1,169 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
2.4 - 2.8 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
-
Torque
1,800 - 2,000 Nm
Torque
450 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
600 - 860 kW
Power kW
290 - 523 kW
Engine capacity
-
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2026
Model Year
2,024 - 2,026
CO2 Efficiency Class
-
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche
Is the Mercedes AMG GT 4-Door Coupé offered with different drivetrains?

The Mercedes AMG GT 4-Door Coupé is offered with 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.