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Mercedes B Class vs Fiat Ducato comparison

Compare performance (238 HP vs 140 HP), boot space and price (33,100 £ vs 41,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Fiat Ducato?

Mercedes B Class vs Fiat Ducato: Key differences

Mercedes B Class

4.9 (6 Reviews)
rate
  • noticeably cheaper
  • clearly more power
  • clearly more efficient
  • significantly lighter
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Fiat Ducato

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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

B Class

Costs and Efficiency:

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

Mercedes B Class is noticeably cheaper – starting at 33,100 £ , while the Fiat Ducato costs 41,200 £ . That’s a price difference of around 8,028 £.

Fuel consumption also shows a difference: the Mercedes B Class uses 5.1 L/100km and is clearly more efficient than the Fiat Ducato with 7.5 L/100km. The difference is about 2.4 L/100km.

Ducato

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes B Class offers clearly more power – delivering 238 HP compared to 140 HP. That’s roughly 98 HP more horsepower.

There’s also a difference in torque: the Mercedes B Class delivers moderately more torque with 400 Nm compared to 350 Nm. That’s about 50 Nm more.

B Class

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 more seats – 5 vs 3.

In terms of curb weight, Mercedes B Class is significantly lighter – 1,405 kg compared to 2,165 kg. The difference is around 760 kg.

When it comes to payload, the Fiat Ducato carries clearly more – 2,020 kg compared to 550 kg. That’s a difference of about 1,470 kg.

Who wins the race in the data check?

The Mercedes B Class 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 £33,100
B Class

Mercedes B Class

  • Engine Type Petrol MHEV, Diesel
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 238 HP
  • Consumption L/100km 5.1 - 6.9 L/100km
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Mercedes A Class
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Mercedes B Class
Fiat Ducato

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes B Class

The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.

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Reviews Mercedes B Class

4.9 (6 Reviews)
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SiBa
31 Jul 2026, 14:51:34

We've been driving only the B180D automatic for 9 years — there's nothing better. Great on long trips; the next one will be another B180D automatic.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Safety
Practicality / Trunk & Everyday Use
Value for Money
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

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

Fiat Ducato

The Fiat Ducato is a no-nonsense workhorse that turns practicality into an artform, with a cavernous, flexible load area and predictable, car-like driving manners that make long days behind the wheel far less tedious. It’s equally at home with a tradesman’s kit or a camper conversion, offering sensible packaging, easy servicing and the sort of reliability that keeps surprises—and down-time—to a minimum.

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Reviews Fiat Ducato

No reviews yet. Share your experience and help others decide.

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Mercedes B Class
Fiat Ducato

Costs and Consumption
Price
33,100 - 52,500 £
Price
41,200 - 43,900 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
7.5 - 8.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
198 - 217 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Cargo Van
Seats
5
Seats
3
Doors
-
Doors
-
Curb weight
1,405 - 1,565 kg
Curb weight
2,165 - 2,230 kg
Trunk capacity
445 - 455 L
Trunk capacity
-
Length
-
Length
-
Width
1,796 mm
Width
2,050 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
1,315 - 2,020 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Diesel
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
140 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
-
Max Speed
-
Max Speed
-
Torque
200 - 400 Nm
Torque
350 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 175 kW
Power kW
103 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
2,184 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Fiat
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-Wheel Drive or All-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.