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Mercedes S-Class vs Vauxhall Rocks Electric comparison

Compare performance (635 HP vs 8 HP), boot space and price (104,000 £ vs 6,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes S-Class or Vauxhall Rocks Electric?

Mercedes S-Class vs Vauxhall Rocks Electric: Key differences

Mercedes S-Class

  • clearly more power
  • visibly more electric range
  • clearly more trunk space
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Vauxhall Rocks Electric

  • significantly cheaper
  • substantially lighter
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By Achim Sedelmaier

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

S-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 significantly cheaper – starting at 6,800 £ , while the Mercedes S-Class costs 104,000 £ . That’s a price difference of around 97,171 £.

As for electric range, the Mercedes S-Class offers visibly more range – reaching up to 118 km, about 43 km more than the Vauxhall Rocks Electric.

Rocks Electric

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 S-Class offers clearly more power – delivering 635 HP compared to 8 HP. That’s roughly 627 HP more horsepower.

There’s also a difference in torque: the Mercedes S-Class delivers clearly more torque with 850 Nm compared to 40 Nm. That’s about 810 Nm more.

S-Class

Space and Everyday Use:

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

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

In terms of curb weight, Vauxhall Rocks Electric is substantially lighter – 558 kg compared to 2,165 kg. The difference is around 1,607 kg.

Looking at boot space, the Mercedes S-Class offers clearly more boot space – 530 L compared to 63 L. That’s a difference of about 467 L.

When it comes to payload, the Mercedes S-Class carries significantly more – 660 kg compared to 142 kg. That’s a difference of about 518 kg.

Who wins the race in the data check?

The Vauxhall Rocks Electric 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 £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
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Reviews Mercedes S-Class

No reviews yet. Share your experience and help others decide.

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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Reviews Vauxhall Rocks Electric

No reviews yet. Share your experience and help others decide.

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Vauxhall Rocks Electric

Costs and Consumption
Price
104,000 - 201,400 £
Price
6,800 - 7,500 £
Consumption L/100km
2.2 - 11 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
98 - 118 km
Electric Range
75 km
Battery Capacity
-
Battery Capacity
-
co2
50 - 252 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
2,165 - 2,650 kg
Curb weight
558 kg
Trunk capacity
345 - 530 L
Trunk capacity
63 L
Length
-
Length
-
Width
1,921 mm
Width
1,388 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
420 - 660 kg
Payload
142 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
336 - 635 HP
Power HP
8 HP
Acceleration 0-100km/h
4 - 5.7 s
Acceleration 0-100km/h
-
Max Speed
-
Max Speed
-
Torque
560 - 850 Nm
Torque
40 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
247 - 467 kW
Power kW
6 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
G, B, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Vauxhall
Is the Mercedes S-Class offered with different drivetrains?

The Mercedes S-Class is offered with All-Wheel Drive or 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.