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Fiat 500 Convertible vs Kia Niro comparison

Compare performance (118 HP vs 138 HP), boot space and price (19,700 £ vs 29,100 £ ) at a glance. Find out which car is the better choice for you – Fiat 500 Convertible or Kia Niro?

Fiat 500 Convertible vs Kia Niro: Key differences

Fiat 500 Convertible

  • clearly cheaper
  • markedly quicker 0–100 km/h
  • visibly lighter
details

Kia Niro

4.6 (4 Reviews)
rate
  • somewhat more power
  • moderately more efficient
  • significantly 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

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 clearly cheaper – starting at 19,700 £ , while the Kia Niro costs 29,100 £ . That’s a price difference of around 9,429 £.

Fuel consumption also shows a difference: the Kia Niro uses 4.5 L/100km and is moderately more efficient than the Fiat 500 Convertible with 5.2 L/100km. The difference is about 0.7 L/100km.

Niro

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Kia Niro offers somewhat more power – delivering 138 HP compared to 118 HP. That’s roughly 20 HP more horsepower.

When accelerating from 0 to 100 km/h, the Fiat 500 Convertible is markedly quicker – completing the sprint in 9 s, while the Kia Niro takes 11.1 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the Kia Niro delivers somewhat more torque with 265 Nm compared to 220 Nm. That’s about 45 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 Niro offers more seats – 5 vs 4.

In terms of curb weight, Fiat 500 Convertible is visibly lighter – 1,150 kg compared to 1,474 kg. The difference is around 324 kg.

Looking at boot space, the Kia Niro offers significantly more boot space – 451 L compared to 183 L. That’s a difference of about 268 L.

When it comes to payload, the Kia Niro carries clearly more – 466 kg compared to 325 kg. That’s a difference of about 141 kg.

Who wins the race in the data check?

The Kia Niro is slightly ahead 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 £29,100
Niro

Kia Niro

  • Engine Type Full Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 138 HP
  • Consumption L/100km 4.5 - 4.9 L/100km
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View detailed analysis

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View detailed analysis

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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 Niro

The Kia Niro is a practical crossover that blends economy and everyday versatility without sacrificing comfort. With a roomy, well-laid-out cabin and calm, composed handling, it’s an easy-to-live-with choice for commuters and families.

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Reviews Kia Niro

4.6 (4 Reviews)
rate
pip
11 Jul 2026, 08:42:12

nice size, roomy for passengers, lots of bells and whistles as standard, magnificent fuel economy,well made , 7 year warranty

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
Archi
25 Mar 2026, 13:11:41

Efficient, functional, understated, spacious and comfortable. No surprises: it delivers what it promises and does its job without fanfare. Good buy.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Wolfgang Schäfer
21 Oct 2025, 14:01:32

I've been driving the Kia Niro since 2019 and am still very happy with this car.

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Fiat 500 Convertible
Kia Niro

Costs and Consumption
Price
19,700 - 28,300 £
Price
29,100 - 33,800 £
Consumption L/100km
5.2 - 5.3 L/100km
Consumption L/100km
4.5 - 4.9 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
102 - 111 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
1,474 kg
Trunk capacity
183 L
Trunk capacity
451 L
Length
-
Length
-
Width
1,683 - 1,684 mm
Width
1,825 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
250 - 325 kg
Payload
466 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Full Hybrid
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Manual Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
65 - 118 HP
Power HP
138 HP
Acceleration 0-100km/h
9 - 17.3 s
Acceleration 0-100km/h
11.1 - 11.4 s
Max Speed
-
Max Speed
-
Torque
92 - 220 Nm
Torque
265 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
48 - 87 kW
Power kW
102 kW
Engine capacity
999 cm3
Engine capacity
1,580 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
A, D
CO2 Efficiency Class
C
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.