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Vauxhall Rocks Electric vs BYD Sealion 7 comparison

Compare performance (8 HP vs 530 HP), boot space and price (6,800 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Vauxhall Rocks Electric or BYD Sealion 7?

Vauxhall Rocks Electric vs BYD Sealion 7: Key differences

Vauxhall Rocks Electric

  • significantly cheaper
  • significantly lighter
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BYD Sealion 7

4.9 (3 Reviews)
rate
  • considerably more power
  • considerably more electric range
  • considerably more trunk space
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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

Rocks Electric

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 BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 36,000 £.

As for electric range, the BYD Sealion 7 offers considerably more range – reaching up to 502 km, about 427 km more than the Vauxhall Rocks Electric.

Sealion 7

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BYD Sealion 7 offers considerably more power – delivering 530 HP compared to 8 HP. That’s roughly 522 HP more horsepower.

There’s also a difference in torque: the BYD Sealion 7 delivers considerably more torque with 690 Nm compared to 40 Nm. That’s about 650 Nm more.

Space and Everyday Use:

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

Seats: BYD Sealion 7 offers more seats – 5 vs 2.

In terms of curb weight, Vauxhall Rocks Electric is significantly lighter – 558 kg compared to 2,225 kg. The difference is around 1,667 kg.

Looking at boot space, the BYD Sealion 7 offers considerably more boot space – 520 L compared to 63 L. That’s a difference of about 457 L.

When it comes to payload, the BYD Sealion 7 carries significantly more – 410 kg compared to 142 kg. That’s a difference of about 268 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
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Vauxhall Rocks Electric
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
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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Reviews Vauxhall Rocks Electric

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

BYD Sealion 7

The BYD Sealion 7 is a sleek electric wagon that blends sporty styling with surprising practicality, making it a compelling choice for drivers who want something different from the usual hatchback or SUV. Its refined interior and composed road manners give it an upscale feel, while clever packaging keeps it versatile for daily use.

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Reviews BYD Sealion 7

4.9 (3 Reviews)
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Steinbach
2 Jun 2026, 11:36:25

Fantastic car in every respect. Looks, interior, power, range, comfort, finish, etc.

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
oriol
27 Feb 2026, 15:33:27

range that I can always charge to 100% — unlike other brands that told me it was recommended to stop at 80%, which consequently cut my real range from 600 to 480 by not being able to charge to 100%. I think that's something people should know.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Vauxhall Rocks Electric
BYD Sealion 7

Costs and Consumption
Price
6,800 - 7,500 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
75 km
Electric Range
456 - 502 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
558 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
63 L
Trunk capacity
520 L
Length
-
Length
-
Width
1,388 mm
Width
1,925 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
142 kg
Payload
410 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
8 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
-
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
-
Max Speed
-
Torque
40 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
6 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Vauxhall
Brand
BYD
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.