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Fiat 500 Convertible vs Mercedes AMG GT comparison

Compare performance (118 HP vs 816 HP), boot space and price (19,700 £ vs 102,500 £ ) at a glance. Find out which car is the better choice for you – Fiat 500 Convertible or Mercedes AMG GT?

Fiat 500 Convertible vs Mercedes AMG GT: Key differences

Fiat 500 Convertible

  • clearly cheaper
  • substantially more efficient
  • substantially more electric range
  • considerably lighter
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Mercedes AMG GT

  • significantly more power
  • clearly quicker 0–100 km/h
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By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

500 Convertible

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Fiat 500 Convertible is clearly cheaper – starting at 19,700 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 82,799 £.

Fuel consumption also shows a difference: the Fiat 500 Convertible uses 5.2 L/100km and is substantially more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 5.1 L/100km.

As for electric range, the Fiat 500 Convertible offers substantially more range – reaching up to 313 km, about 302 km more than the Mercedes AMG GT.

AMG GT

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 Mercedes AMG GT offers significantly more power – delivering 816 HP compared to 118 HP. That’s roughly 698 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT is clearly quicker – completing the sprint in 2.8 s, while the Fiat 500 Convertible takes 9 s. That’s about 6.2 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers significantly more torque with 1,420 Nm compared to 220 Nm. That’s about 1,200 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: Fiat 500 Convertible offers more seats – 4 vs 2.

In terms of curb weight, Fiat 500 Convertible is considerably lighter – 1,150 kg compared to 1,790 kg. The difference is around 640 kg.

When it comes to payload, the Fiat 500 Convertible carries markedly more – 325 kg compared to 215 kg. That’s a difference of about 110 kg.

Who wins the race in the data check?

The Fiat 500 Convertible is decisively 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 £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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Fiat 500 Convertible
Mercedes AMG GT

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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Mercedes AMG GT

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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Fiat 500 Convertible
Mercedes AMG GT

Costs and Consumption
Price
19,700 - 28,300 £
Price
102,500 - 194,400 £
Consumption L/100km
5.2 - 5.3 L/100km
Consumption L/100km
10.3 - 14 L/100km
Consumption kWh/100km
13 - 14.9 kWh/100km
Consumption kWh/100km
-
Electric Range
190 - 313 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 123 g/km
co2
235 - 319 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Coupe
Seats
4
Seats
2
Doors
-
Doors
-
Curb weight
1,150 - 1,480 kg
Curb weight
1,790 - 2,195 kg
Trunk capacity
183 L
Trunk capacity
-
Length
-
Length
-
Width
1,683 - 1,684 mm
Width
1,929 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
250 - 325 kg
Payload
170 - 215 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
65 - 118 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
9 - 17.3 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
-
Max Speed
-
Torque
92 - 220 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
3
Number of Cylinders
4 - 8
Power kW
48 - 87 kW
Power kW
320 - 600 kW
Engine capacity
999 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
A, D
CO2 Efficiency Class
G
Brand
Fiat
Brand
Mercedes-Benz
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.