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Vauxhall Rocks Electric vs Porsche 911 Convertible comparison

Compare performance (8 HP vs 711 HP), boot space and price (6,800 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Vauxhall Rocks Electric or Porsche 911 Convertible?

Vauxhall Rocks Electric vs Porsche 911 Convertible: Key differences

Vauxhall Rocks Electric

  • significantly cheaper
  • significantly lighter
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Porsche 911 Convertible

  • considerably more power
  • significantly more trunk space
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Here’s where it gets real: The technical differences in detail

Rocks Electric

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.

Vauxhall Rocks Electric is significantly cheaper – starting at 6,800 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 131,152 £.

911 Convertible

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 911 Convertible offers considerably more power – delivering 711 HP compared to 8 HP. That’s roughly 703 HP more horsepower.

There’s also a difference in torque: the Porsche 911 Convertible delivers significantly more torque with 800 Nm compared to 40 Nm. That’s about 760 Nm more.

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Porsche 911 Convertible offers more seats – 4 vs 2.

In terms of curb weight, Vauxhall Rocks Electric is significantly lighter – 558 kg compared to 1,572 kg. The difference is around 1,014 kg.

Looking at boot space, the Porsche 911 Convertible offers significantly more boot space – 373 L compared to 63 L. That’s a difference of about 310 L.

When it comes to payload, the Porsche 911 Convertible carries clearly more – 345 kg compared to 142 kg. That’s a difference of about 203 kg.

Who wins the race in the data check?

The Vauxhall Rocks Electric 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 £6,800
Rocks Electric

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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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View detailed analysis

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 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Vauxhall Rocks Electric
Porsche 911 Convertible

Costs and Consumption
Price
6,800 - 7,500 £
Price
138,000 - 244,500 £
Consumption L/100km
-
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
75 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Convertible
Seats
2
Seats
2 - 4
Doors
-
Doors
-
Curb weight
558 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
63 L
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,388 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
142 kg
Payload
195 - 345 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manual, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
8 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
-
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
-
Torque
40 Nm
Torque
450 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
6 kW
Power kW
290 - 523 kW
Engine capacity
-
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Vauxhall
Brand
Porsche
What drivetrain options does the Vauxhall Rocks Electric have?

The Vauxhall Rocks Electric is offered with Front-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.