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Fiat 500 vs Mercedes C-Class Saloon comparison

Compare performance (118 HP vs 680 HP), boot space and price (17,100 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Fiat 500 or Mercedes C-Class Saloon?

Fiat 500 vs Mercedes C-Class Saloon: Key differences

Fiat 500

3.7 (1 Reviews)
rate
  • considerably cheaper
  • considerably more electric range
  • significantly lighter
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Mercedes C-Class Saloon

  • significantly more power
  • a bit more efficient
  • clearly quicker 0–100 km/h
  • 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

Costs and Efficiency:

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

Fiat 500 is considerably cheaper – starting at 17,100 £ , while the Mercedes C-Class Saloon costs 41,300 £ . That’s a price difference of around 24,191 £.

Fuel consumption also shows a difference: the Mercedes C-Class Saloon uses 4.5 L/100km and is a bit more efficient than the Fiat 500 with 5.2 L/100km. The difference is about 0.7 L/100km.

As for electric range, the Fiat 500 offers considerably more range – reaching up to 331 km, about 320 km more than the Mercedes C-Class Saloon.

C-Class Saloon

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 C-Class Saloon offers significantly more power – delivering 680 HP compared to 118 HP. That’s roughly 562 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C-Class Saloon is clearly quicker – completing the sprint in 3.4 s, while the Fiat 500 takes 9 s. That’s about 5.6 s quicker.

There’s also a difference in torque: the Mercedes C-Class Saloon delivers significantly more torque with 1,020 Nm compared to 220 Nm. That’s about 800 Nm more.

500

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 C-Class Saloon offers more seats – 5 vs 4.

In terms of curb weight, Fiat 500 is significantly lighter – 1,130 kg compared to 1,695 kg. The difference is around 565 kg.

Looking at boot space, the Mercedes C-Class Saloon offers considerably more boot space – 455 L compared to 185 L. That’s a difference of about 270 L.

When it comes to payload, the Mercedes C-Class Saloon 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 C-Class Saloon is far ahead 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 £41,300
C-Class Saloon

Mercedes C-Class Saloon

  • Engine Type Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 183 - 680 HP
  • Consumption L/100km 4.5 - 9 L/100km
  • Electric Range 11 km
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Frequently compared as well

Fiat 500
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Mercedes C-Class Saloon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Fiat 500

The Fiat 500 is a cheeky, retro‑styled city car that turns heads with its iconic looks and playful personality. Perfect for weaving through tight streets and easing into tiny parking spots, it’s aimed at buyers who want style and character more than grand touring prowess.

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Reviews Fiat 500

3.7 (1 Reviews)
rate
Reijo Muhonen
28 Feb 2026, 16:46:06

I've owned both cars, and I still end up with the Fiat 500 — it always puts me in a good mood. For longer trips I take the train.

How do you mainly use this car? (optional): City / Short distance
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Mercedes C-Class Saloon

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Reviews Mercedes C-Class Saloon

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Mercedes C-Class Saloon

Costs and Consumption
Price
17,100 - 27,400 £
Price
41,300 - 103,400 £
Consumption L/100km
5.2 - 5.3 L/100km
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
13 - 14.7 kWh/100km
Consumption kWh/100km
-
Electric Range
190 - 331 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 121 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,130 - 1,475 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
183 - 185 L
Trunk capacity
280 - 455 L
Length
-
Length
-
Width
1,683 - 1,684 mm
Width
1,820 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
250 - 325 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Petrol MHEV, Diesel MHEV, 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
183 - 680 HP
Acceleration 0-100km/h
9 - 16.2 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
-
Torque
92 - 220 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
48 - 87 kW
Power kW
135 - 500 kW
Engine capacity
999 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, D
CO2 Efficiency Class
E, D, G
Brand
Fiat
Brand
Mercedes-Benz
Is the Fiat 500 offered with different drivetrains?

The Fiat 500 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.