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Fiat 500 Convertible vs Kia Stonic comparison

Compare performance (118 HP vs 115 HP), boot space and price (19,700 £ vs 20,400 £ ) at a glance. Find out which car is the better choice for you – Fiat 500 Convertible or Kia Stonic?

Fiat 500 Convertible vs Kia Stonic: Key differences

Fiat 500 Convertible

  • only slightly cheaper
  • only slightly more power
  • barely more efficient
  • moderately quicker 0–100 km/h
  • barely lighter
details

Kia Stonic

4.6 (2 Reviews)
rate
  • 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

500 Convertible

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Fiat 500 Convertible is only slightly cheaper – starting at 19,700 £ , while the Kia Stonic costs 20,400 £ . That’s a price difference of around 686 £.

Fuel consumption also shows a difference: the Fiat 500 Convertible uses 5.2 L/100km and is barely more efficient than the Kia Stonic with 5.6 L/100km. The difference is about 0.4 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 Fiat 500 Convertible offers only slightly more power – delivering 118 HP compared to 115 HP. That’s roughly 3 HP more horsepower.

When accelerating from 0 to 100 km/h, the Fiat 500 Convertible is moderately quicker – completing the sprint in 9 s, while the Kia Stonic takes 10.7 s. That’s about 1.7 s quicker.

There’s also a difference in torque: the Fiat 500 Convertible delivers barely more torque with 220 Nm compared to 200 Nm. That’s about 20 Nm more.

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Kia Stonic offers more seats – 5 vs 4.

In terms of curb weight, Fiat 500 Convertible is barely lighter – 1,150 kg compared to 1,205 kg. The difference is around 55 kg.

Looking at boot space, the Kia Stonic offers considerably more boot space – 352 L compared to 183 L. That’s a difference of about 169 L.

When it comes to payload, the Kia Stonic carries clearly more – 445 kg compared to 325 kg. That’s a difference of about 120 kg.

Who wins the race in the data check?

The Fiat 500 Convertible leads convincingly 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 £19,700
500 Convertible

Fiat 500 Convertible

  • Engine Type Electric, Petrol MHEV
  • Transmission Automatic, Manuel
  • Drive Type Front-Wheel Drive
  • Power HP 65 - 118 HP
  • Consumption L/100km 5.2 - 5.3 L/100km
  • Consumption kWh/100km 13 - 14.9 kWh/100km
  • Electric Range 190 - 313 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Fiat 500 Convertible

The Fiat 500 Convertible is a cheeky, retro-styled roof-down city car that turns heads and makes short trips feel like mini vacations. It’s more about charm and personality than practicality, ideal for style-conscious buyers who prefer fun and flair over brute practicality.

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Reviews Fiat 500 Convertible

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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Fiat 500 Convertible
Kia Stonic

Costs and Consumption
Price
19,700 - 28,300 £
Price
20,400 - 26,800 £
Consumption L/100km
5.2 - 5.3 L/100km
Consumption L/100km
5.6 - 5.7 L/100km
Consumption kWh/100km
13 - 14.9 kWh/100km
Consumption kWh/100km
-
Electric Range
190 - 313 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 123 g/km
co2
126 - 128 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,150 - 1,480 kg
Curb weight
1,205 - 1,270 kg
Trunk capacity
183 L
Trunk capacity
352 L
Length
-
Length
-
Width
1,683 - 1,684 mm
Width
1,760 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
250 - 325 kg
Payload
440 - 445 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Petrol, Petrol MHEV
Transmission
Automatic, Manuel
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox, Manual Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
65 - 118 HP
Power HP
100 - 115 HP
Acceleration 0-100km/h
9 - 17.3 s
Acceleration 0-100km/h
10.7 - 12.1 s
Max Speed
-
Max Speed
-
Torque
92 - 220 Nm
Torque
172 - 200 Nm
Number of Cylinders
3
Number of Cylinders
3
Power kW
48 - 87 kW
Power kW
74 - 85 kW
Engine capacity
999 cm3
Engine capacity
998 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
A, D
CO2 Efficiency Class
D
Brand
Fiat
Brand
Kia
What drive types are available for the Fiat 500 Convertible?

The Fiat 500 Convertible 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.