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Mercedes AMG GT vs Porsche Cayman – Which car suits you better?

Both models have their strengths – but which one suits you more?
Compare performance, efficiency, price and space directly: Mercedes AMG GT or Porsche Cayman?

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

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes AMG GT has a evident advantage in terms of price – it starts at 102500 £, while the Porsche Cayman costs 136000 £. That’s a price difference of around 33524 £.

Fuel consumption also shows a difference: Mercedes AMG GT manages with 10.30 L and is therefore evident more efficient than the Porsche Cayman with 13 L. The difference is about 2.70 L per 100 km.

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes AMG GT has a distinct edge – offering 816 HP compared to 500 HP. That’s roughly 316 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes AMG GT is evident quicker – completing the sprint in 2.80 s, while the Porsche Cayman takes 3.40 s. That’s about 0.60 s faster.

In terms of top speed, the Mercedes AMG GT performs hardly perceptible better – reaching 320 km/h, while the Porsche Cayman tops out at 315 km/h. The difference is around 5 km/h.

There’s also a difference in torque: Mercedes AMG GT pulls convincingly stronger with 1420 Nm compared to 450 Nm. That’s about 970 Nm difference.

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 2 people.

In curb weight, Porsche Cayman is distinct lighter – 1490 kg compared to 1790 kg. The difference is around 300 kg.

In terms of boot space, the Mercedes AMG GT offers clearly more room – 321 L compared to 184 L. That’s a difference of about 137 L.

When it comes to payload, Porsche Cayman distinct takes the win – 281 kg compared to 215 kg. That’s a difference of about 66 kg.

Who comes out on top?

Overall, the Mercedes AMG GT shows itself to be is largely superior and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £102,500
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Mercedes AMG GT

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 435 - 816 HP
  • Consumption L/100km : 10.3 - 14 L
  • Electric Range : 11 km

Mercedes AMG GT

The Mercedes-Benz AMG GT is a striking blend of luxury and performance, capturing the essence of high-performance motoring. With its sleek, aerodynamic design and a roaring engine, it delivers an exhilarating driving experience. Inside, the cabin combines elegance with technology, offering comfort wrapped in premium materials for an immersive journey.

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Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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Mercedes AMG GT
Porsche Cayman
AMG GT

Costs and Consumption

Price
102500 - 194400 £
Price
136000 £
Consumption L/100km
10.3 - 14 L
Consumption L/100km
13 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
11 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
235 - 319 g/km
co2
295 g/km
Fuel tank capacity
70 L
Fuel tank capacity
54 L

Dimensions and Body

Body Type
Coupe
Body Type
Coupe
Seats
2
Seats
2
Doors
2
Doors
2
Curb weight
1790 - 2195 kg
Curb weight
1490 kg
Trunk capacity
182 - 321 L
Trunk capacity
184 L
Length
4728 mm
Length
4456 mm
Width
1929 mm
Width
1822 mm
Height
1354 - 1359 mm
Height
1267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
170 - 215 kg
Payload
281 kg

Engine and Performance

Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
435 - 816 HP
Power HP
500 HP
Acceleration 0-100km/h
2.8 - 4.6 s
Acceleration 0-100km/h
3.40 s
Max Speed
280 - 320 km/h
Max Speed
315 km/h
Torque
500 - 1420 Nm
Torque
450 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6
Power kW
320 - 600 kW
Power kW
368 kW
Engine capacity
1991 - 3982 cm3
Engine capacity
3996 cm3

General

Model Year
2025
Model Year
2021
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche
Is the Mercedes AMG GT offered with different drivetrains?

The Mercedes AMG GT is available as Rear-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.