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Fiat 500 Convertible vs Mercedes EQS comparison

Compare performance (118 HP vs 585 HP), boot space and price (19,700 £ vs 80,900 £ ) at a glance. Find out which car is the better choice for you – Fiat 500 Convertible or Mercedes EQS?

Fiat 500 Convertible vs Mercedes EQS: Key differences

Fiat 500 Convertible

  • significantly cheaper
  • moderately more efficient
  • significantly lighter
details

Mercedes EQS

  • clearly more power
  • clearly more electric range
  • significantly quicker 0–100 km/h
  • considerably more trunk space
details

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 significantly cheaper – starting at 19,700 £ , while the Mercedes EQS costs 80,900 £ . That’s a price difference of around 61,211 £.

In terms of energy consumption, the Fiat 500 Convertible is moderately more efficient: consuming 13 kWh/100km compared to 15.5 kWh/100km for the Mercedes EQS. That’s a difference of about 2.5 kWh/100km.

As for electric range, the Mercedes EQS offers clearly more range – reaching up to 920 km, about 607 km more than the Fiat 500 Convertible.

EQS

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes EQS offers clearly more power – delivering 585 HP compared to 118 HP. That’s roughly 467 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQS is significantly quicker – completing the sprint in 4.1 s, while the Fiat 500 Convertible takes 9 s. That’s about 4.9 s quicker.

There’s also a difference in torque: the Mercedes EQS delivers clearly more torque with 800 Nm compared to 220 Nm. That’s about 580 Nm more.

Space and Everyday Use:

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

Seats: Mercedes EQS offers more seats – 5 vs 4.

In terms of curb weight, Fiat 500 Convertible is significantly lighter – 1,150 kg compared to 2,550 kg. The difference is around 1,400 kg.

Looking at boot space, the Mercedes EQS offers considerably more boot space – 610 L compared to 183 L. That’s a difference of about 427 L.

When it comes to payload, the Mercedes EQS carries considerably more – 570 kg compared to 325 kg. That’s a difference of about 245 kg.

Who wins the race in the data check?

The Mercedes EQS 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 £80,900
EQS

Mercedes EQS

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 367 - 585 HP
  • Consumption kWh/100km 15.5 - 16.3 kWh/100km
  • Electric Range 810 - 920 km
Fiat 500 Convertible
Mercedes EQS

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 EQS

The Mercedes EQS is a silent, spaceship-like flagship that turns electric luxury into zen on wheels, wrapped in a swooping design that insists on being admired. Inside it’s all glassy screens and soft-touch surfaces that make long trips feel like first class, and the driving experience is composed and effortless — like a courteous butler with an electric heart.

details
Fiat 500 Convertible
Mercedes EQS

Costs and Consumption

Price
19,700 - 28,300 £
Price
80,900 - 117,500 £
Consumption L/100km
5.2 - 5.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
13 - 14.9 kWh/100km
Consumption kWh/100km
15.5 - 16.3 kWh/100km
Electric Range
190 - 313 km
Electric Range
810 - 920 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 123 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Convertible
Body Type
Hatchback
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,150 - 1,480 kg
Curb weight
2,550 - 2,660 kg
Trunk capacity
183 L
Trunk capacity
610 L
Length
-
Length
-
Width
1,683 - 1,684 mm
Width
1,926 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
250 - 325 kg
Payload
545 - 570 kg

Engine and Performance

Engine Type
Electric, Petrol MHEV
Engine Type
Electric
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Manual Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
65 - 118 HP
Power HP
367 - 585 HP
Acceleration 0-100km/h
9 - 17.3 s
Acceleration 0-100km/h
4.1 - 6.2 s
Max Speed
-
Max Speed
-
Torque
92 - 220 Nm
Torque
505 - 800 Nm
Number of Cylinders
3
Number of Cylinders
-
Power kW
48 - 87 kW
Power kW
270 - 430 kW
Engine capacity
999 cm3
Engine capacity
-

General

Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
A, D
CO2 Efficiency Class
A
Brand
Fiat
Brand
Mercedes-Benz
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.