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Mercedes EQB vs Porsche Cayman comparison

Compare performance (292 HP vs 500 HP), boot space and price (45,900 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes EQB or Porsche Cayman?

Mercedes EQB vs Porsche Cayman: Key differences

Mercedes EQB

4.3 (4 Reviews)
rate
  • substantially cheaper
  • significantly more trunk space
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Porsche Cayman

  • considerably more power
  • clearly quicker 0–100 km/h
  • substantially lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

EQB

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.

Mercedes EQB is substantially cheaper – starting at 45,900 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 90,159 £.

Cayman

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 Porsche Cayman offers considerably more power – delivering 500 HP compared to 292 HP. That’s roughly 208 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is clearly quicker – completing the sprint in 3.4 s, while the Mercedes EQB takes 6.2 s. That’s about 2.8 s quicker.

Looking at top speed, the Porsche Cayman is considerably faster – reaching 315 km/h, while the Mercedes EQB tops out at 160 km/h. The difference is around 155 km/h.

There’s also a difference in torque: the Mercedes EQB delivers a bit more torque with 520 Nm compared to 450 Nm. That’s about 70 Nm more.

EQB

Space and Everyday Use:

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

Seats: Mercedes EQB offers more seats – 5 vs 2.

In terms of curb weight, Porsche Cayman is substantially lighter – 1,490 kg compared to 2,105 kg. The difference is around 615 kg.

Looking at boot space, the Mercedes EQB offers significantly more boot space – 495 L compared to 184 L. That’s a difference of about 311 L.

For maximum load capacity, the Mercedes EQB offers substantially more capacity – up to 1,710 L, about 1,438 L more than the Porsche Cayman.

When it comes to payload, the Mercedes EQB carries markedly more – 435 kg compared to 281 kg. That’s a difference of about 154 kg.

Who wins the race in the data check?

The Mercedes EQB 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 £45,900
EQB

Mercedes EQB

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 190 - 292 HP
  • Consumption kWh/100km 15.2 - 17.2 kWh/100km
  • Electric Range 468 - 535 km
Mercedes EQB
Porsche Cayman

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mercedes EQB

The Mercedes EQB is an electric compact SUV that dresses Mercedes' premium feel in practical clothing, with flexible seating and a serene, composed ride that turns everyday errands into a small luxury. It won't thrill the enthusiast, but for buyers who want a smart, spacious and well-made EV with tasteful tech and real-world usability, the EQB is a sensible, slightly buttoned-up choice that impresses without shouting.

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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 EQB
Porsche Cayman

Costs and Consumption

Price
45,900 - 58,900 £
Price
136,000 £
Consumption L/100km
-
Consumption L/100km
13 L/100km
Consumption kWh/100km
15.2 - 17.2 kWh/100km
Consumption kWh/100km
-
Electric Range
468 - 535 km
Electric Range
-
Battery Capacity
70.5 kWh
Battery Capacity
-
co2
0 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body

Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
5
Doors
2
Curb weight
2,105 - 2,170 kg
Curb weight
1,490 kg
Trunk capacity
495 L
Trunk capacity
184 L
Length
4,684 mm
Length
4,456 mm
Width
1,834 mm
Width
1,822 mm
Height
1,654 - 1,689 mm
Height
1,267 mm
Max trunk capacity
1,710 L
Max trunk capacity
272 L
Payload
435 kg
Payload
281 kg

Engine and Performance

Engine Type
Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
190 - 292 HP
Power HP
500 HP
Acceleration 0-100km/h
6.2 - 8.9 s
Acceleration 0-100km/h
3.4 s
Max Speed
160 km/h
Max Speed
315 km/h
Torque
385 - 520 Nm
Torque
450 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
140 - 215 kW
Power kW
368 kW
Engine capacity
-
Engine capacity
3,996 cm3

General

Model Year
2,024 - 2,025
Model Year
2021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche
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.