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Mercedes AMG GT 4-Door Coupé vs Porsche Cayenne comparison

Compare performance (1,169 HP vs 1,156 HP), boot space and price (132,600 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes AMG GT 4-Door Coupé or Porsche Cayenne?

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

Mercedes AMG GT 4-Door Coupé

  • very slightly more power
  • only slightly more efficient
  • marginally more electric range
  • only slightly quicker 0–100 km/h
details

Porsche Cayenne

3.2 (3 Reviews)
rate
  • substantially cheaper
  • slightly lighter
  • clearly more trunk space
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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 key factors when choosing a car – and this is often where the real differences emerge.

Porsche Cayenne is substantially cheaper – starting at 90,200 £ , while the Mercedes AMG GT 4-Door Coupé costs 132,600 £ . That’s a price difference of around 42,429 £.

In terms of energy consumption, the Mercedes AMG GT 4-Door Coupé is only slightly more efficient: consuming 18.1 kWh/100km compared to 18.9 kWh/100km for the Porsche Cayenne. That’s a difference of about 0.8 kWh/100km.

As for electric range, the Mercedes AMG GT 4-Door Coupé offers marginally more range – reaching up to 690 km, about 22 km more than the Porsche Cayenne.

Cayenne

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 very slightly more power – delivering 1,169 HP compared to 1,156 HP. That’s roughly 13 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is only slightly quicker – completing the sprint in 2.4 s, while the Porsche Cayenne takes 2.5 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers visibly more torque with 2,000 Nm compared to 1,500 Nm. That’s about 500 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.

Seats: Porsche Cayenne offers more seats – 5 vs 4.

In terms of curb weight, Porsche Cayenne is slightly lighter – 2,130 kg compared to 2,535 kg. The difference is around 405 kg.

Looking at boot space, the Porsche Cayenne offers clearly more boot space – 781 L compared to 400 L. That’s a difference of about 381 L.

When it comes to payload, the Porsche Cayenne carries markedly more – 705 kg compared to 460 kg. That’s a difference of about 245 kg.

Who wins the race in the data check?

The Porsche Cayenne is decisively 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 £90,200
Cayenne

Porsche Cayenne

  • Engine Type Petrol, Plugin Hybrid, Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 353 - 1,156 HP
  • Consumption L/100km 4 - 11 L/100km
  • Consumption kWh/100km 18.9 - 20.6 kWh/100km
  • Electric Range 74 - 668 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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Porsche Cayenne

Few SUVs blend athletic poise and Teutonic precision like the Porsche Cayenne, putting genuine sports‑car feeling into a roomy, everyday package. If you want a practical family hauler that still makes you grin every time you merge, the Cayenne delivers — turning errands into an excuse for a spirited drive.

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Mercedes AMG GT 4-Door Coupé
Porsche Cayenne

Costs and Consumption
Price
132,600 - 168,300 £
Price
90,200 - 144,400 £
Consumption L/100km
-
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
18.1 - 18.2 kWh/100km
Consumption kWh/100km
18.9 - 20.6 kWh/100km
Electric Range
686 - 690 km
Electric Range
74 - 668 km
Battery Capacity
-
Battery Capacity
-
co2
-
co2
0 - 249 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
4
Seats
4 - 5
Doors
-
Doors
-
Curb weight
2,535 kg
Curb weight
2,130 - 2,725 kg
Trunk capacity
400 L
Trunk capacity
434 - 781 L
Length
-
Length
-
Width
1,958 mm
Width
1,980 - 1,983 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
460 kg
Payload
525 - 705 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
816 - 1,169 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
2.4 - 2.8 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
-
Torque
1,800 - 2,000 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
600 - 860 kW
Power kW
260 - 850 kW
Engine capacity
-
Engine capacity
2,995 cm3

General
Model Year
2026
Model Year
2,025 - 2,026
CO2 Efficiency Class
-
CO2 Efficiency Class
G, B, A
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.