Compare performance (115 HP vs 8 HP), boot space and price (20,400 £ vs 6,800 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or Vauxhall Rocks Electric?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
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 substantially cheaper – starting at 6,800 £ , while the Kia Stonic costs 20,400 £ . That’s a price difference of around 13,543 £.
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 Kia Stonic offers significantly more power – delivering 115 HP compared to 8 HP. That’s roughly 107 HP more horsepower.
There’s also a difference in torque: the Kia Stonic delivers clearly more torque with 200 Nm compared to 40 Nm. That’s about 160 Nm more.
Whether family car or daily driver – which one offers more room, flexibility and comfort?
Seats: Kia Stonic offers more seats – 5 vs 2.
In terms of curb weight, Vauxhall Rocks Electric is considerably lighter – 558 kg compared to 1,205 kg. The difference is around 647 kg.
Looking at boot space, the Kia Stonic offers significantly more boot space – 352 L compared to 63 L. That’s a difference of about 289 L.
When it comes to payload, the Kia Stonic carries clearly more – 445 kg compared to 142 kg. That’s a difference of about 303 kg.
The Kia Stonic 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.
The Kia Stonic is a compact crossover that pairs nimble city manners with a surprisingly spacious and comfortable cabin. It’s a practical, well-equipped choice for buyers who value sensible features, approachable styling and easy everyday usability.
detailsThe 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.
details
Costs and Consumption |
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|---|---|
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Price
20,400 - 26,800 £
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Price
6,800 - 7,500 £
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Consumption L/100km
5.6 - 5.7 L/100km
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Consumption L/100km
-
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Consumption kWh/100km
-
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Consumption kWh/100km
-
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Electric Range
-
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Electric Range
75 km
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Battery Capacity
-
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Battery Capacity
-
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co2
126 - 128 g/km
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co2
0 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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|---|---|
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Body Type
SUV
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Body Type
Hatchback
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Seats
5
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Seats
2
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Doors
-
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Doors
-
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Curb weight
1,205 - 1,270 kg
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Curb weight
558 kg
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Trunk capacity
352 L
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Trunk capacity
63 L
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Length
-
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Length
-
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Width
1,760 mm
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Width
1,388 mm
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Height
-
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Height
-
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Max trunk capacity
-
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Max trunk capacity
-
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Payload
440 - 445 kg
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Payload
142 kg
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Engine and Performance |
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|---|---|
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Engine Type
Petrol, Petrol MHEV
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Engine Type
Electric
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Transmission
Manuel, Automatic
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Transmission
Automatic
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Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
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Transmission Detail
Reduction Gearbox
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Drive Type
Front-Wheel Drive
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Drive Type
Front-Wheel Drive
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Power HP
100 - 115 HP
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Power HP
8 HP
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Acceleration 0-100km/h
10.7 - 12.1 s
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Acceleration 0-100km/h
-
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Max Speed
-
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Max Speed
-
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Torque
172 - 200 Nm
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Torque
40 Nm
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Number of Cylinders
3
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Number of Cylinders
-
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Power kW
74 - 85 kW
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Power kW
6 kW
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Engine capacity
998 cm3
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Engine capacity
-
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General |
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|---|---|
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Model Year
2025
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Model Year
2025
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CO2 Efficiency Class
D
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CO2 Efficiency Class
A
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Brand
Kia
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Brand
Vauxhall
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