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Kia Stonic vs Vauxhall Astra comparison

Compare performance (115 HP vs 196 HP), boot space and price (20,400 £ vs 28,300 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or Vauxhall Astra?

Kia Stonic vs Vauxhall Astra: Key differences

Kia Stonic

4.6 (2 Reviews)
rate
  • noticeably cheaper
  • moderately lighter
details

Vauxhall Astra

4.6 (2 Reviews)
rate
  • considerably more power
  • substantially more efficient
  • significantly quicker 0–100 km/h
  • a bit more trunk space
details

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

Stonic

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.

Kia Stonic is noticeably cheaper – starting at 20,400 £ , while the Vauxhall Astra costs 28,300 £ . That’s a price difference of around 7,886 £.

Fuel consumption also shows a difference: the Vauxhall Astra uses 2.2 L/100km and is substantially more efficient than the Kia Stonic with 5.6 L/100km. The difference is about 3.4 L/100km.

Astra

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 Vauxhall Astra offers considerably more power – delivering 196 HP compared to 115 HP. That’s roughly 81 HP more horsepower.

When accelerating from 0 to 100 km/h, the Vauxhall Astra is significantly quicker – completing the sprint in 7.6 s, while the Kia Stonic takes 10.7 s. That’s about 3.1 s quicker.

There’s also a difference in torque: the Vauxhall Astra delivers significantly more torque with 360 Nm compared to 200 Nm. That’s about 160 Nm more.

Stonic

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Kia Stonic is moderately lighter – 1,205 kg compared to 1,438 kg. The difference is around 233 kg.

Looking at boot space, the Vauxhall Astra offers a bit more boot space – 422 L compared to 352 L. That’s a difference of about 70 L.

When it comes to payload, the Vauxhall Astra carries slightly more – 502 kg compared to 445 kg. That’s a difference of about 57 kg.

Who wins the race in the data check?

The Vauxhall Astra 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 £28,300
Astra

Vauxhall Astra

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 130 - 196 HP
  • Consumption L/100km : 2.2 - 4.9 L/100km
  • Consumption kWh/100km : 15.3 kWh/100km
  • Electric Range : 83 - 454 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia Stonic

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.

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Kia_Stonic_MY22_16
Kia_Stonic_MY22_15
Kia_Stonic_MY22_08
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Reviews Kia Stonic

4.6 (2 Reviews)
rate
Jan
18 Mar 2026, 07:19:10

Very good car, uses little fuel, nothing's gone wrong in 4 years, no breakdowns.

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
Ennio
4 Feb 2026, 13:19:36

I'm very satisfied — I have a Stonic Black Edition hybrid, and I haven't had any problems after two years.

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

Vauxhall Astra

The Opel Astra strikes a neat balance between everyday practicality and engaging handling, so the daily grind suddenly feels a bit less dull. Inside it's intelligently packaged with modern kit and comfortable seating, making it a very sensible pick for buyers who want a dependable hatchback that doesn't take itself too seriously.

details
01_Opel-Astra-518263
05_Opel-Astra-518267
24_Opel-Astra-518297

Reviews Vauxhall Astra

4.6 (2 Reviews)
rate

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

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Kia Stonic
Vauxhall Astra

Costs and Consumption
Price
20,400 - 26,800 £
Price
28,300 - 37,900 £
Consumption L/100km
5.6 - 5.7 L/100km
Consumption L/100km
2.2 - 4.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.3 kWh/100km
Electric Range
-
Electric Range
83 - 454 km
Battery Capacity
-
Battery Capacity
-
co2
126 - 128 g/km
co2
0 - 130 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,205 - 1,270 kg
Curb weight
1,438 - 1,733 kg
Trunk capacity
352 L
Trunk capacity
310 - 422 L
Length
-
Length
-
Width
1,760 mm
Width
1,859 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
440 - 445 kg
Payload
438 - 502 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
100 - 115 HP
Power HP
130 - 196 HP
Acceleration 0-100km/h
10.7 - 12.1 s
Acceleration 0-100km/h
7.6 - 10.6 s
Max Speed
-
Max Speed
-
Torque
172 - 200 Nm
Torque
230 - 360 Nm
Number of Cylinders
3
Number of Cylinders
3 - 4
Power kW
74 - 85 kW
Power kW
96 - 144 kW
Engine capacity
998 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
D
CO2 Efficiency Class
C, B, D, A
Brand
Kia
Brand
Vauxhall
Is the Kia Stonic offered with different drivetrains?

The Kia Stonic 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.