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Fiat Ducato vs Mercedes GLB comparison

Compare performance (140 HP vs 354 HP), boot space and price (41,200 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Fiat Ducato or Mercedes GLB?

Fiat Ducato vs Mercedes GLB: Key differences

Fiat Ducato

  • very slightly cheaper
details

Mercedes GLB

3.6 (4 Reviews)
rate
  • considerably more power
  • markedly more efficient
  • a bit lighter
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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

Ducato

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Fiat Ducato is very slightly cheaper – starting at 41,200 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 2,040 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is markedly more efficient than the Fiat Ducato with 7.5 L/100km. The difference is about 1.8 L/100km.

GLB

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 GLB offers considerably more power – delivering 354 HP compared to 140 HP. That’s roughly 214 HP more horsepower.

There’s also a difference in torque: the Mercedes GLB delivers visibly more torque with 515 Nm compared to 350 Nm. That’s about 165 Nm more.

Ducato

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 GLB offers more seats – 5 vs 3.

In terms of curb weight, Mercedes GLB is a bit lighter – 1,840 kg compared to 2,165 kg. The difference is around 325 kg.

When it comes to payload, the Fiat Ducato carries substantially more – 2,020 kg compared to 505 kg. That’s a difference of about 1,515 kg.

Who wins the race in the data check?

The Mercedes GLB holds a decisive overall lead 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 £43,200
GLB

Mercedes GLB

  • Engine Type Electric, Full Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 156 - 354 HP
  • Consumption L/100km 5.7 - 6.1 L/100km
  • Consumption kWh/100km 15.4 - 15.9 kWh/100km
  • Electric Range 431 - 631 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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NeuerDucato 2
NeuerDucato (1)
NeuerDucatoInterieur 2

Reviews Fiat Ducato

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

Mercedes GLB

The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

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Reviews Mercedes GLB

3.6 (4 Reviews)
rate
Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

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

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Mercedes GLB

Costs and Consumption
Price
41,200 - 43,900 £
Price
43,200 - 62,400 £
Consumption L/100km
7.5 - 8.2 L/100km
Consumption L/100km
5.7 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Electric Range
-
Electric Range
431 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
198 - 217 g/km
co2
0 - 138 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Cargo Van
Body Type
SUV
Seats
3
Seats
5
Doors
-
Doors
-
Curb weight
2,165 - 2,230 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
-
Trunk capacity
540 L
Length
-
Length
-
Width
2,050 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
1,315 - 2,020 kg
Payload
485 - 505 kg

Engine and Performance
Engine Type
Diesel
Engine Type
Electric, Full Hybrid
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
140 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
-
Acceleration 0-100km/h
5.5 - 9.7 s
Max Speed
-
Max Speed
-
Torque
350 Nm
Torque
280 - 515 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
103 kW
Power kW
115 - 260 kW
Engine capacity
2,184 cm3
Engine capacity
1,499 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
A, D, E
Brand
Fiat
Brand
Mercedes-Benz
What drive types are available for the Fiat Ducato?

Available configurations include 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.