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Vauxhall Rocks Electric vs Porsche Cayman - Differences and prices compared

Compare performance (8 HP vs 500 HP), boot space and price (6800 £ vs 136000 £ ) at a glance. Find out which car is the better choice for you – Vauxhall Rocks Electric or Porsche Cayman?

Vauxhall Rocks Electric

Porsche Cayman

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

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Vauxhall Rocks Electric has a decisively advantage in terms of price – it starts at 6800 £ , while the Porsche Cayman costs 136000 £ . That’s a price difference of around 129180 £.

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 Cayman has a decisively edge – offering 500 HP compared to 8 HP. That’s roughly 492 HP more horsepower.

There’s also a difference in torque: Porsche Cayman pulls significantly stronger with 450 Nm compared to 40 Nm. That’s about 410 Nm difference.

Space and Everyday Use:

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

Both vehicles offer seating for 2 people.

In curb weight, Vauxhall Rocks Electric is convincingly lighter – 558 kg compared to 1490 kg. The difference is around 932 kg.

In terms of boot space, the Porsche Cayman offers significantly more room – 184 L compared to 63 L. That’s a difference of about 121 L.

When it comes to payload, Porsche Cayman decisively takes the win – 281 kg compared to 142 kg. That’s a difference of about 139 kg.

Who wins the race in the data check?

The Vauxhall Rocks Electric is decisively ahead 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.

Vauxhall Rocks Electric
Porsche Cayman

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £6,800
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Vauxhall Rocks Electric

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 8 HP
  • Electric Range : 75 km
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Vauxhall Rocks Electric

The Opel Rocks Electric is a cheeky urban crossover that swaps petrol fuss for an electric grin, offering compact practicality and a playful character for city life. It’s easy to live with, delivers quietly eager acceleration for everyday driving, and feels like a smart, approachable choice for buyers dipping their toes into EV ownership.

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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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Reviews Opel Rocks Electric

Reviews Porsche Cayman

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Vauxhall Rocks Electric
Porsche Cayman

Costs and Consumption
Price
6800 - 7500 £
Price
136000 £
Consumption L/100km
-
Consumption L/100km
13 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
75 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Hatchback
Body Type
Coupe
Seats
2
Seats
2
Doors
-
Doors
2
Curb weight
558 kg
Curb weight
1490 kg
Trunk capacity
63 L
Trunk capacity
184 L
Length
-
Length
4456 mm
Width
1388 mm
Width
1822 mm
Height
-
Height
1267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
142 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
Drive Type
Rear-Wheel Drive
Power HP
8 HP
Power HP
500 HP
Acceleration 0-100km/h
-
Acceleration 0-100km/h
3.40 s
Max Speed
-
Max Speed
315 km/h
Torque
40 Nm
Torque
450 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
6 kW
Power kW
368 kW
Engine capacity
-
Engine capacity
3996 cm3

General
Model Year
2025
Model Year
2021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Vauxhall
Brand
Porsche

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What drive types are available for the Vauxhall Rocks Electric?

The Vauxhall Rocks Electric is offered with Front-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.