Compare performance (816 HP vs 500 HP), boot space and price (102,500 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes AMG GT or Porsche Cayman?
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 is noticeably cheaper – starting at 102,500 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 33,524 £.
Fuel consumption also shows a difference: the Mercedes AMG GT uses 10.3 L/100km and is visibly more efficient than the Porsche Cayman with 13 L/100km. The difference is about 2.7 L/100km.
Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.
When it comes to engine power, the Mercedes AMG GT offers visibly more power – delivering 816 HP compared to 500 HP. That’s roughly 316 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes AMG GT is visibly quicker – completing the sprint in 2.8 s, while the Porsche Cayman takes 3.4 s. That’s about 0.6 s quicker.
There’s also a difference in torque: the Mercedes AMG GT delivers significantly more torque with 1,420 Nm compared to 450 Nm. That’s about 970 Nm more.
Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.
Both vehicles offer seating for 2 people.
In terms of curb weight, Porsche Cayman is noticeably lighter – 1,490 kg compared to 1,790 kg. The difference is around 300 kg.
When it comes to payload, the Porsche Cayman carries noticeably more – 281 kg compared to 215 kg. That’s a difference of about 66 kg.
The Mercedes AMG GT holds a decisive overall lead 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.
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.
detailsThe 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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Costs and Consumption |
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Price
102,500 - 194,400 £
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Price
136,000 £
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Consumption L/100km
10.3 - 14 L/100km
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Consumption L/100km
13 L/100km
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Consumption kWh/100km
-
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Consumption kWh/100km
-
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Electric Range
11 km
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Electric Range
-
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Battery Capacity
-
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Battery Capacity
-
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co2
235 - 319 g/km
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co2
295 g/km
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Fuel tank capacity
-
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Fuel tank capacity
54 L
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Dimensions and Body |
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Body Type
Coupe
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Body Type
Coupe
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Seats
2
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Seats
2
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Doors
-
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Doors
2
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Curb weight
1,790 - 2,195 kg
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Curb weight
1,490 kg
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Trunk capacity
-
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Trunk capacity
184 L
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Length
-
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Length
4,456 mm
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Width
1,929 mm
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Width
1,822 mm
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Height
-
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Height
1,267 mm
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Max trunk capacity
-
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Max trunk capacity
272 L
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Payload
170 - 215 kg
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Payload
281 kg
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Engine and Performance |
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Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
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Engine Type
Petrol
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Automatic Gearbox
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Transmission Detail
Dual-Clutch Automatic
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Drive Type
Rear-Wheel Drive, All-Wheel Drive
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Drive Type
Rear-Wheel Drive
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Power HP
435 - 816 HP
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Power HP
500 HP
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Acceleration 0-100km/h
2.8 - 4.6 s
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Acceleration 0-100km/h
3.4 s
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Max Speed
-
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Max Speed
315 km/h
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Torque
500 - 1,420 Nm
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Torque
450 Nm
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Number of Cylinders
4 - 8
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Number of Cylinders
6
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Power kW
320 - 600 kW
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Power kW
368 kW
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Engine capacity
1,991 - 3,982 cm3
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Engine capacity
3,996 cm3
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General |
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|---|---|
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Model Year
2,025
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Model Year
2,021
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CO2 Efficiency Class
G
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CO2 Efficiency Class
G
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Brand
Mercedes-Benz
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Brand
Porsche
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