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Fiat 500 Convertible vs Mercedes C Class Wagon comparison

Compare performance (118 HP vs 288 HP), boot space and price (19,700 £ vs 42,600 £ ) at a glance. Find out which car is the better choice for you – Fiat 500 Convertible or Mercedes C Class Wagon?

Fiat 500 Convertible vs Mercedes C Class Wagon: Key differences

Fiat 500 Convertible

  • considerably cheaper
  • significantly lighter
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Mercedes C Class Wagon

  • clearly more power
  • slightly more efficient
  • significantly quicker 0–100 km/h
  • substantially more trunk space
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By Achim Sedelmaier

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

500 Convertible

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Fiat 500 Convertible is considerably cheaper – starting at 19,700 £ , while the Mercedes C Class Wagon costs 42,600 £ . That’s a price difference of around 22,895 £.

Fuel consumption also shows a difference: the Mercedes C Class Wagon uses 4.7 L/100km and is slightly more efficient than the Fiat 500 Convertible with 5.2 L/100km. The difference is about 0.5 L/100km.

C Class Wagon

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 C Class Wagon offers clearly more power – delivering 288 HP compared to 118 HP. That’s roughly 170 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Wagon is significantly quicker – completing the sprint in 5.8 s, while the Fiat 500 Convertible takes 9 s. That’s about 3.2 s quicker.

There’s also a difference in torque: the Mercedes C Class Wagon delivers clearly more torque with 550 Nm compared to 220 Nm. That’s about 330 Nm more.

Space and Everyday Use:

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

Seats: Mercedes C Class Wagon offers more seats – 5 vs 4.

In terms of curb weight, Fiat 500 Convertible is significantly lighter – 1,150 kg compared to 1,755 kg. The difference is around 605 kg.

Looking at boot space, the Mercedes C Class Wagon offers substantially more boot space – 490 L compared to 183 L. That’s a difference of about 307 L.

When it comes to payload, the Mercedes C Class Wagon carries clearly more – 565 kg compared to 325 kg. That’s a difference of about 240 kg.

Who wins the race in the data check?

The Mercedes C Class Wagon 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 £42,600
C Class Wagon

Mercedes C Class Wagon

  • Engine Type : Petrol MHEV, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 186 - 288 HP
  • Consumption L/100km : 4.7 - 6.9 L/100km
Fiat 500 Convertible
Mercedes C Class Wagon

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 C Class Wagon

The Mercedes C-Class wagon dresses Mercedes refinement in a sensible, practical package, marrying a sleek estate silhouette with a plush, high-quality cabin that feels more premium than its badge implies. It quietly soaks up motorway miles and cartloads of family kit with composed handling and effortless comfort — a clever alternative to an SUV for buyers who still like to steer.

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Fiat 500 Convertible
Mercedes C Class Wagon

Costs and Consumption

Price
19,700 - 28,300 £
Price
42,600 - 67,200 £
Consumption L/100km
5.2 - 5.3 L/100km
Consumption L/100km
4.7 - 6.9 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
123 - 157 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Convertible
Body Type
Estate
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,150 - 1,480 kg
Curb weight
1,755 - 1,940 kg
Trunk capacity
183 L
Trunk capacity
490 L
Length
-
Length
-
Width
1,683 - 1,684 mm
Width
1,820 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
250 - 325 kg
Payload
460 - 565 kg

Engine and Performance

Engine Type
Electric, Petrol MHEV
Engine Type
Petrol MHEV, Diesel MHEV
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
186 - 288 HP
Acceleration 0-100km/h
9 - 17.3 s
Acceleration 0-100km/h
5.8 - 8.8 s
Max Speed
-
Max Speed
-
Torque
92 - 220 Nm
Torque
250 - 550 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
48 - 87 kW
Power kW
137 - 212 kW
Engine capacity
999 cm3
Engine capacity
1,496 - 1,999 cm3

General

Model Year
2,025 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, D
CO2 Efficiency Class
E, F, D
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.