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Alfa Romeo Stelvio vs Mercedes GLB comparison

Compare performance (210 HP vs 354 HP), boot space and price (51,900 £ vs 50,600 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Stelvio or Mercedes GLB?

Alfa Romeo Stelvio vs Mercedes GLB: Key differences

Alfa Romeo Stelvio

5 (1 Reviews)
rate
  • markedly lighter

Mercedes GLB

3.2 (3 Reviews)
rate
  • barely cheaper
  • considerably more power
  • somewhat quicker 0–100 km/h
  • only slightly more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

Stelvio

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes GLB is barely cheaper – starting at 50,600 £ , while the Alfa Romeo Stelvio costs 51,900 £ . That’s a price difference of around 1,330 £.

GLB

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 GLB offers considerably more power – delivering 354 HP compared to 210 HP. That’s roughly 144 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is somewhat quicker – completing the sprint in 5.5 s, while the Alfa Romeo Stelvio takes 6.6 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers marginally more torque with 515 Nm compared to 470 Nm. That’s about 45 Nm more.

Stelvio

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Alfa Romeo Stelvio is markedly lighter – 1,820 kg compared to 2,200 kg. The difference is around 380 kg.

Looking at boot space, the Mercedes GLB offers only slightly more boot space – 540 L compared to 525 L. That’s a difference of about 15 L.

When it comes to payload, the Alfa Romeo Stelvio carries moderately more – 590 kg compared to 500 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The Mercedes GLB 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 £50,600
GLB

Mercedes GLB

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 354 HP
  • Consumption kWh/100km : 15.8 - 15.9 kWh/100km
  • Electric Range : 614 - 631 km
details

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Alfa Romeo Stelvio
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Alfa Romeo Stelvio

The Alfa Romeo Stelvio combines Italian artistry with sporty performance, making it a standout in the SUV market. Its dynamic design captures the essence of elegance and agility, while the interior offers a driver-focused experience that enhances every journey. With a perfect blend of luxury and power, the Stelvio is ideal for those seeking both style and substance on the road.

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Reviews Alfa Romeo Stelvio

5 (1 Reviews)
rate

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

Mercedes GLB

The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Reviews Mercedes GLB

3.2 (3 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
51,900 - 56,700 £
Price
50,600 - 62,400 £
Consumption L/100km
6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.8 - 15.9 kWh/100km
Electric Range
-
Electric Range
614 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
157 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,820 kg
Curb weight
2,200 - 2,280 kg
Trunk capacity
525 L
Trunk capacity
540 L
Length
-
Length
-
Width
1,903 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
590 kg
Payload
500 kg

Engine and Performance
Engine Type
Diesel
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
210 HP
Power HP
272 - 354 HP
Acceleration 0-100km/h
6.6 s
Acceleration 0-100km/h
5.5 - 7.4 s
Max Speed
-
Max Speed
-
Torque
470 Nm
Torque
335 - 515 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
154 kW
Power kW
200 - 260 kW
Engine capacity
2,143 cm3
Engine capacity
-

General
Model Year
2,025
Model Year
2,026
CO2 Efficiency Class
F
CO2 Efficiency Class
A
Brand
Alfa Romeo
Brand
Mercedes-Benz
Is the Alfa Romeo Stelvio offered with different drivetrains?

The Alfa Romeo Stelvio is offered with 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.