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Mercedes G-Class vs Vauxhall Rocks Electric comparison

Compare performance (605 HP vs 8 HP), boot space and price (106,600 £ vs 6,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes G-Class or Vauxhall Rocks Electric?

Mercedes G-Class vs Vauxhall Rocks Electric: Key differences

Mercedes G-Class

  • considerably more power
  • substantially more electric range
  • substantially more trunk space
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Vauxhall Rocks Electric

  • substantially cheaper
  • clearly lighter
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Here’s where it gets real: The technical differences in detail

G-Class

Costs and Efficiency:

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.

Vauxhall Rocks Electric is substantially cheaper – starting at 6,800 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 99,742 £.

As for electric range, the Mercedes G-Class offers substantially more range – reaching up to 479 km, about 404 km more than the Vauxhall Rocks Electric.

Rocks Electric

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 Mercedes G-Class offers considerably more power – delivering 605 HP compared to 8 HP. That’s roughly 597 HP more horsepower.

There’s also a difference in torque: the Mercedes G-Class delivers substantially more torque with 1,164 Nm compared to 40 Nm. That’s about 1,124 Nm more.

G-Class

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: Mercedes G-Class offers more seats – 5 vs 2.

In terms of curb weight, Vauxhall Rocks Electric is clearly lighter – 558 kg compared to 2,485 kg. The difference is around 1,927 kg.

Looking at boot space, the Mercedes G-Class offers substantially more boot space – 640 L compared to 63 L. That’s a difference of about 577 L.

When it comes to payload, the Mercedes G-Class carries clearly more – 715 kg compared to 142 kg. That’s a difference of about 573 kg.

Who wins the race in the data check?

The Vauxhall Rocks Electric is clearly superior 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 £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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Mercedes G-Class

The G-Class, often called the G‑Wagen, is a blocky icon that blends unapologetic off-road prowess with a plush, modern cabin, announcing your arrival before you even step out. It’s equally at home crawling over rocks or cruising city streets, and owning one feels like adopting a very expensive, very capable personality.

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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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Mercedes G-Class
Vauxhall Rocks Electric

Costs and Consumption
Price
106,600 - 171,000 £
Price
6,800 - 7,500 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
479 km
Electric Range
75 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Off-Roader
Body Type
Hatchback
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
2,485 - 3,085 kg
Curb weight
558 kg
Trunk capacity
640 L
Trunk capacity
63 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
1,388 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
142 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
387 - 605 HP
Power HP
8 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
-
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
40 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
285 - 445 kW
Power kW
6 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
G, A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Vauxhall
What drivetrain options does the Mercedes G-Class have?

The Mercedes G-Class is available as All-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.