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Citroen C3 Aircross vs Kia Stonic comparison

Compare performance (145 HP vs 115 HP), boot space and price (16,400 £ vs 20,400 £ ) at a glance. Find out which car is the better choice for you – Citroen C3 Aircross or Kia Stonic?

Citroen C3 Aircross vs Kia Stonic: Key differences

Citroen C3 Aircross

4.4 (1 Reviews)
rate
  • clearly cheaper
  • noticeably more power
  • marginally more efficient
  • noticeably more trunk space
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Kia Stonic

4.6 (2 Reviews)
rate
  • moderately quicker 0–100 km/h
  • very slightly lighter
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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

C3 Aircross

Introduction

In the ever-evolving world of compact SUVs, the Citroën C3 Aircross and Kia Stonic stand out as two compelling options for urban dwellers and adventurous spirit seekers alike. Both vehicles deliver a blend of style, versatility, and practicality, but how do they measure up against each other in terms of technical specifications and innovative features? In this comparison, we dive into the details of what makes the Citroën C3 Aircross and Kia Stonic unique contenders in their segment.

Stonic

Engine and Performance

The Citroën C3 Aircross offers a varied lineup of engines including Petrol MHEV (Mild Hybrid Electric Vehicle), conventional petrol engines, and an electric variant. With power outputs ranging from 101 HP to 136 HP, it provides exciting choices for different driving preferences. Acceleration from 0 to 100 km/h can be achieved in as little as 11 seconds, making it a sprightly option for city and highway driving.

Conversely, the Kia Stonic presents a more modest engine range, with power figures from 79 HP to 100 HP. While acceleration may not match the C3 Aircross, it still manages a respectable 0-100 km/h time of 11.3 seconds with its strongest engine. Both SUVs come equipped with front-wheel drive and either manual or automatic transmission options, ensuring ease of handling in urban environments.

C3 Aircross

Fuel Consumption and Efficiency

Fuel efficiency remains critical for compact SUV buyers. The C3 Aircross claims fuel consumption figures between 5.5 to 6.2 L/100km, along with an impressive electric range of up to 306 km for its electric model. A lower CO2 output of 125 g/km enhances its environmental appeal, particularly for the petrol version.

In comparison, the Kia Stonic demonstrates similar efficiency, clocking in at 5.5 to 5.8 L/100km. However, its ecological footprint is slightly higher, with CO2 emissions ranging from 125 to 132 g/km. While both vehicles cater to eco-conscious drivers, the C3 Aircross edges ahead with its diverse engine options and lower emissions.

Stonic

Dimensions and Practicality

Both the Citroën C3 Aircross and Kia Stonic boast dimensions suitable for urban driving, yet they serve different needs in terms of space. The C3 Aircross measures 4395 mm in length, 1795 mm in width, and 1660 mm in height, making it a roomier choice overall. Its spacious trunk capacity of 460 liters ensures ample storage for daily tasks or weekend getaways.

On the other hand, the Kia Stonic, while still practical, measures slightly less with a length of 4140 mm, a width of 1760 mm, and a height of 1505 mm. Its trunk capacity of 352 liters caters to those who value compactness but may require more frequent trips for groceries or luggage due to less boot space.

C3 Aircross

Innovative Features and Technology

Technology plays a pivotal role in modern compact SUVs. The Citroën C3 Aircross is loaded with various tech features, including a user-friendly infotainment system with smartphone integration, advanced driver assistance systems, and optional connected navigation. It also offers a customizable interior with multiple options for color and materials, ensuring a truly unique driving experience.

Meanwhile, the Kia Stonic competes effectively with its intuitive multimedia system, driver assistance technologies, and robust safety features. With its stylish interior and quality materials, the Stonic emphasizes both functionality and aesthetics. The inclusion of features like lane-keeping assist and rear cross-traffic alert enhances its appeal to safety-conscious buyers.

Stonic

Conclusion

When comparing the Citroën C3 Aircross and Kia Stonic, it is clear that both models have their respective strengths. The C3 Aircross shines with greater engine variety, superior trunk space, and lower emissions, making it an ideal choice for eco-conscious families needing versatility. In contrast, the Kia Stonic offers a more compact and stylish alternative that appeals to urban drivers who prioritize agility and tech-savvy features.

Ultimately, the decision between the two may come down to personal preferences and specific driving needs, but both compact SUVs represent smart choices in the competitive automotive market.

Frequently compared as well

Citroen C3 Aircross
Opel Frontera
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Choosing between the Citroën C3 Aircross and the Opel Frontera comes down to whether you want a compact, comfort-focused crossover or a more traditionally rugged SUV. The C3 Aircross shines with clever packaging, ride comfort and economy, while the Frontera offers stronger towing, load capacity and …
Citroen C3
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Here’s where it gets real: The technical differences in detail

C3 Aircross

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.

Citroen C3 Aircross is clearly cheaper – starting at 16,400 £ , while the Kia Stonic costs 20,400 £ . That’s a price difference of around 3,943 £.

Fuel consumption also shows a difference: the Citroen C3 Aircross uses 5.3 L/100km and is marginally more efficient than the Kia Stonic with 5.6 L/100km. The difference is about 0.3 L/100km.

Stonic

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 Citroen C3 Aircross offers noticeably more power – delivering 145 HP compared to 115 HP. That’s roughly 30 HP more horsepower.

When accelerating from 0 to 100 km/h, the Kia Stonic is moderately quicker – completing the sprint in 10.7 s, while the Citroen C3 Aircross takes 12.3 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the Citroen C3 Aircross delivers slightly more torque with 230 Nm compared to 200 Nm. That’s about 30 Nm more.

C3 Aircross

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Kia Stonic is very slightly lighter – 1,205 kg compared to 1,312 kg. The difference is around 107 kg.

Looking at boot space, the Citroen C3 Aircross offers noticeably more boot space – 460 L compared to 352 L. That’s a difference of about 108 L.

When it comes to payload, the Citroen C3 Aircross carries barely more – 462 kg compared to 445 kg. That’s a difference of about 17 kg.

Who wins the race in the data check?

The Citroen C3 Aircross 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.

from £16,400
C3 Aircross

Citroen C3 Aircross

  • Engine Type Electric, Petrol, Petrol MHEV
  • Transmission Automatic, Manuel
  • Drive Type Front-Wheel Drive
  • Power HP 101 - 145 HP
  • Consumption L/100km 5.3 - 5.9 L/100km
  • Consumption kWh/100km 16.1 - 18.1 kWh/100km
  • Electric Range 307 - 400 km
details
Citroen C3 Aircross
Kia Stonic

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Citroen C3 Aircross

The Citroën C3 Aircross is a compact crossover that stands out with its quirky, friendly styling and a tall, airy cabin that prioritizes comfort. It suits buyers who value flexible interior space, good visibility and easy urban driving over sporty performance.

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Reviews Citroen C3 Aircross

4.4 (1 Reviews)
rate

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

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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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

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Kia Stonic

Costs and Consumption
Price
16,400 - 29,000 £
Price
20,400 - 26,800 £
Consumption L/100km
5.3 - 5.9 L/100km
Consumption L/100km
5.6 - 5.7 L/100km
Consumption kWh/100km
16.1 - 18.1 kWh/100km
Consumption kWh/100km
-
Electric Range
307 - 400 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 134 g/km
co2
126 - 128 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,312 - 1,608 kg
Curb weight
1,205 - 1,270 kg
Trunk capacity
460 L
Trunk capacity
352 L
Length
-
Length
-
Width
1,795 mm
Width
1,760 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
407 - 462 kg
Payload
440 - 445 kg

Engine and Performance
Engine Type
Electric, Petrol, Petrol MHEV
Engine Type
Petrol, Petrol MHEV
Transmission
Automatic, Manuel
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox, Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
101 - 145 HP
Power HP
100 - 115 HP
Acceleration 0-100km/h
12.3 - 13 s
Acceleration 0-100km/h
10.7 - 12.1 s
Max Speed
-
Max Speed
-
Torque
125 - 230 Nm
Torque
172 - 200 Nm
Number of Cylinders
3
Number of Cylinders
3
Power kW
74 - 107 kW
Power kW
74 - 85 kW
Engine capacity
1,199 cm3
Engine capacity
998 cm3

General
Model Year
2,024 - 2,026
Model Year
2025
CO2 Efficiency Class
A, D
CO2 Efficiency Class
D
Brand
Citroen
Brand
Kia
What drivetrain options does the Citroen C3 Aircross have?

The Citroen C3 Aircross is available as 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.