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Fiat 500 vs Mercedes B Class – Performance, range & efficiency compared

Both models have their strengths – but which one suits you more?
Compare performance, efficiency, price and space directly: Fiat 500 or Mercedes B Class?

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

Costs and Efficiency:

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

Fiat 500 has a convincingly advantage in terms of price – it starts at 21400 £, while the Mercedes B Class costs 33100 £. That’s a price difference of around 11709 £.

As for range, the Fiat 500 performs significantly better – achieving up to 331 km, about 248 km more than the Mercedes B Class.

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 B Class has a clearly edge – offering 238 HP compared to 118 HP. That’s roughly 120 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes B Class is noticeable quicker – completing the sprint in 6.50 s, while the Fiat 500 takes 9 s. That’s about 2.50 s faster.

In terms of top speed, the Mercedes B Class performs evident better – reaching 250 km/h, while the Fiat 500 tops out at 150 km/h. The difference is around 100 km/h.

There’s also a difference in torque: Mercedes B Class pulls significantly stronger with 450 Nm compared to 220 Nm. That’s about 230 Nm difference.

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 B Class offers to a small extent more seating capacity – 5 vs 4.

In curb weight, Fiat 500 is slight lighter – 1330 kg compared to 1405 kg. The difference is around 75 kg.

In terms of boot space, the Mercedes B Class offers significantly more room – 455 L compared to 185 L. That’s a difference of about 270 L.

In maximum load capacity, the Mercedes B Class performs clearly better – up to 1540 L, which is about 990 L more than the Fiat 500.

When it comes to payload, Mercedes B Class clearly takes the win – 550 kg compared to 305 kg. That’s a difference of about 245 kg.

Who comes out on top?

Overall, the Mercedes B Class shows itself to be dominates this comparison and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £33,100
18C0947_011

Mercedes B Class

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 238 HP
  • Consumption L/100km : 2.5 - 6.9 L
  • Electric Range : 83 km
details

Fiat 500

The Fiat 500 is a compact and stylish city car that has captured the hearts of urban drivers with its charming retro design. Its nimble handling and efficient engine make navigating tight city streets a breeze, while its cosy interior offers a surprising amount of comfort and modern technology. The car's iconic silhouette and vibrant colour options ensure it stands out, offering a unique blend of timeless appeal and contemporary flair.

details
190624_F_500_Lounge_MY2020_06 @ media.stellantis.com
190624_F_500_Lounge_MY2020_10 @ media.stellantis.com
190624_F_500_Lounge_MY2020_03 @ media.stellantis.com

Mercedes B Class

The Mercedes-Benz B-Class offers a blend of practicality and luxury that sets it apart in the compact MPV segment. Its spacious and versatile interior is complemented by high-quality materials and a sleek design, making it ideal for both families and individuals seeking a touch of elegance on their daily commute. Advanced technology and safety features round out the package, ensuring a comfortable and secure driving experience.

details
18C0947_011 @ group-media.mercedes-benz.com
18C0947_009 @ group-media.mercedes-benz.com
18C0953_005 @ group-media.mercedes-benz.com
18C0953_035 @ group-media.mercedes-benz.com
18C0947_044 @ group-media.mercedes-benz.com

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Costs and Consumption
Price
21400 - 30800 £
Price
33100 - 52500 £
Consumption L/100km
-
Consumption L/100km
2.5 - 6.9 L
Consumption kWh/100km
13 - 14.7 kWh
Consumption kWh/100km
-
Electric Range
190 - 331 km
Electric Range
83 km
Battery Capacity
21.3 - 37.3 kWh
Battery Capacity
12.90 kWh
co2
0 g/km
co2
56 - 156 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Hatchback
Body Type
MPV
Seats
4
Seats
5
Doors
3 - 4
Doors
5
Curb weight
1330 - 1475 kg
Curb weight
1405 - 1745 kg
Trunk capacity
185 L
Trunk capacity
405 - 455 L
Length
3632 mm
Length
4419 mm
Width
1683 mm
Width
1796 mm
Height
1527 mm
Height
1562 mm
Max trunk capacity
550 L
Max trunk capacity
1440 - 1540 L
Payload
250 - 305 kg
Payload
505 - 550 kg

Engine and Performance
Engine Type
Electric
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
95 - 118 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
9 - 9.5 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
135 - 150 km/h
Max Speed
200 - 250 km/h
Torque
220 Nm
Torque
200 - 450 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
70 - 87 kW
Power kW
85 - 175 kW
Engine capacity
-
Engine capacity
1332 - 1991 cm3

General
Model Year
2023 - 2025
Model Year
2024 - 2025
CO2 Efficiency Class
A
CO2 Efficiency Class
B, D, E, F
Brand
Fiat
Brand
Mercedes-Benz

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What drivetrain options does the Fiat 500 have?

The Fiat 500 is offered with Front-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.