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Porsche Cayman vs Mercedes EQS SUV comparison

Compare performance (500 HP vs 658 HP), boot space and price (136,000 £ vs 95,000 £ ) at a glance. Find out which car is the better choice for you – Porsche Cayman or Mercedes EQS SUV?

Porsche Cayman vs Mercedes EQS SUV: Key differences

Porsche Cayman

  • markedly quicker 0–100 km/h
  • significantly lighter
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Mercedes EQS SUV

  • substantially cheaper
  • clearly more power
  • clearly more trunk space
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By Achim Sedelmaier

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

Cayman

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes EQS SUV is substantially cheaper – starting at 95,000 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 41,056 £.

EQS SUV

Engine and Performance:

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 EQS SUV offers clearly more power – delivering 658 HP compared to 500 HP. That’s roughly 158 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is markedly quicker – completing the sprint in 3.4 s, while the Mercedes EQS SUV takes 4.4 s. That’s about 1 s quicker.

Looking at top speed, the Porsche Cayman is clearly faster – reaching 315 km/h, while the Mercedes EQS SUV tops out at 210 km/h. The difference is around 105 km/h.

There’s also a difference in torque: the Mercedes EQS SUV delivers clearly more torque with 950 Nm compared to 450 Nm. That’s about 500 Nm more.

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: Mercedes EQS SUV offers more seats – 5 vs 2.

In terms of curb weight, Porsche Cayman is significantly lighter – 1,490 kg compared to 2,695 kg. The difference is around 1,205 kg.

Looking at boot space, the Mercedes EQS SUV offers clearly more boot space – 645 L compared to 184 L. That’s a difference of about 461 L.

For maximum load capacity, the Mercedes EQS SUV offers significantly more capacity – up to 2,100 L, about 1,828 L more than the Porsche Cayman.

When it comes to payload, the Mercedes EQS SUV carries significantly more – 570 kg compared to 281 kg. That’s a difference of about 289 kg.

Who wins the race in the data check?

The Mercedes EQS SUV is far ahead overall 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 £95,000
EQS SUV

Mercedes EQS SUV

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 360 - 658 HP
  • Consumption kWh/100km 19.6 - 21.9 kWh/100km
  • Electric Range 615 - 695 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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 EQS SUV

The Mercedes EQS SUV blends limousine-level quiet and luxury with the commanding presence of an SUV, wrapping passengers in sumptuous materials and a futuristic, screen-dominated cabin. It drives with serene confidence and delivers the kind of effortless refinement that makes city commutes and long trips feel like first-class experiences — just be prepared for attention wherever you park it.

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Costs and Consumption
Price
136,000 £
Price
95,000 - 212,100 £
Consumption L/100km
13 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.6 - 21.9 kWh/100km
Electric Range
-
Electric Range
615 - 695 km
Battery Capacity
-
Battery Capacity
108.4 - 118 kWh
co2
295 g/km
co2
0 g/km
Fuel tank capacity
54 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
2
Seats
4 - 5
Doors
2
Doors
5
Curb weight
1,490 kg
Curb weight
2,695 - 3,075 kg
Trunk capacity
184 L
Trunk capacity
440 - 645 L
Length
4,456 mm
Length
5,125 mm
Width
1,822 mm
Width
1,959 - 2,034 mm
Height
1,267 mm
Height
1,718 - 1,721 mm
Max trunk capacity
272 L
Max trunk capacity
2,100 L
Payload
281 kg
Payload
425 - 570 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
500 HP
Power HP
360 - 658 HP
Acceleration 0-100km/h
3.4 s
Acceleration 0-100km/h
4.4 - 6.8 s
Max Speed
315 km/h
Max Speed
210 km/h
Torque
450 Nm
Torque
568 - 950 Nm
Number of Cylinders
6
Number of Cylinders
-
Power kW
368 kW
Power kW
265 - 484 kW
Engine capacity
3,996 cm3
Engine capacity
-

General
Model Year
2021
Model Year
2024
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Porsche
Brand
Mercedes-Benz
What drivetrain options does the Porsche Cayman have?

The Porsche Cayman is available as Rear-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.