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Mercedes AMG GT vs Porsche Cayenne comparison

Compare performance (816 HP vs 1,156 HP), boot space and price (102,500 £ vs 87,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes AMG GT or Porsche Cayenne?

Mercedes AMG GT vs Porsche Cayenne: Key differences

Mercedes AMG GT

  • a bit lighter

Porsche Cayenne

3.3 (2 Reviews)
rate
  • somewhat cheaper
  • visibly more power
  • considerably more efficient
  • substantially more electric range
  • a bit quicker 0–100 km/h

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

AMG GT

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.

Porsche Cayenne is somewhat cheaper – starting at 87,000 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 15,504 £.

Fuel consumption also shows a difference: the Porsche Cayenne uses 4 L/100km and is considerably more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 6.3 L/100km.

As for electric range, the Porsche Cayenne offers substantially more range – reaching up to 642 km, about 631 km more than the Mercedes AMG GT.

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 Porsche Cayenne offers visibly more power – delivering 1,156 HP compared to 816 HP. That’s roughly 340 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is a bit quicker – completing the sprint in 2.5 s, while the Mercedes AMG GT takes 2.8 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers barely more torque with 1,500 Nm compared to 1,420 Nm. That’s about 80 Nm more.

AMG GT

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Porsche Cayenne offers more seats – 5 vs 2.

In terms of curb weight, Mercedes AMG GT is a bit lighter – 1,790 kg compared to 2,130 kg. The difference is around 340 kg.

When it comes to payload, the Porsche Cayenne carries significantly more – 705 kg compared to 215 kg. That’s a difference of about 490 kg.

Who wins the race in the data check?

The Porsche Cayenne 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 £87,000
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 - 12.2 L/100km
  • Consumption kWh/100km : 19.7 - 20.6 kWh/100km
  • Electric Range : 74 - 642 km
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Mercedes AMG GT
Porsche Cayenne

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes AMG GT

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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Reviews Mercedes AMG GT

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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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Reviews Porsche Cayenne

3.3 (2 Reviews)
rate

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Mercedes AMG GT
Porsche Cayenne

Costs and Consumption
Price
102,500 - 194,400 £
Price
87,000 - 186,400 £
Consumption L/100km
10.3 - 14 L/100km
Consumption L/100km
4 - 12.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
19.7 - 20.6 kWh/100km
Electric Range
11 km
Electric Range
74 - 642 km
Battery Capacity
-
Battery Capacity
21.8 kWh
co2
235 - 319 g/km
co2
0 - 277 g/km
Fuel tank capacity
-
Fuel tank capacity
70 - 90 L

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
2
Seats
4 - 5
Doors
-
Doors
5
Curb weight
1,790 - 2,195 kg
Curb weight
2,130 - 2,720 kg
Trunk capacity
-
Trunk capacity
434 - 781 L
Length
-
Length
4,930 mm
Width
1,929 mm
Width
1,980 - 1,989 mm
Height
-
Height
1,652 - 1,698 mm
Max trunk capacity
-
Max trunk capacity
1,344 - 1,708 L
Payload
170 - 215 kg
Payload
365 - 705 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol, Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
435 - 816 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
2.8 - 4.6 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
248 - 305 km/h
Torque
500 - 1,420 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6 - 8
Power kW
320 - 600 kW
Power kW
260 - 850 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
2,995 - 3,996 cm3

General
Model Year
2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G, B, C, A
Brand
Mercedes-Benz
Brand
Porsche
What drive types are available for the Mercedes AMG GT?

Available configurations include 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.