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Mercedes GLB vs Subaru Crosstrek comparison

Compare performance (354 HP vs 136 HP), boot space and price (43,200 £ vs 29,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Subaru Crosstrek?

Mercedes GLB vs Subaru Crosstrek: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • considerably more power
  • clearly more efficient
  • significantly quicker 0–100 km/h
  • clearly more trunk space
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Subaru Crosstrek

4.3 (3 Reviews)
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  • significantly cheaper
  • slightly 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

GLB

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Subaru Crosstrek is significantly cheaper – starting at 29,900 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 13,292 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is clearly more efficient than the Subaru Crosstrek with 7.7 L/100km. The difference is about 2 L/100km.

Crosstrek

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 GLB offers considerably more power – delivering 354 HP compared to 136 HP. That’s roughly 218 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is significantly quicker – completing the sprint in 5.5 s, while the Subaru Crosstrek takes 10.8 s. That’s about 5.3 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers considerably more torque with 515 Nm compared to 182 Nm. That’s about 333 Nm more.

GLB

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Subaru Crosstrek is slightly lighter – 1,595 kg compared to 1,840 kg. The difference is around 245 kg.

Looking at boot space, the Mercedes GLB offers clearly more boot space – 540 L compared to 315 L. That’s a difference of about 225 L.

Maximum payload is identical – both can carry up to 505 kg.

Who wins the race in the data check?

The Mercedes GLB 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 £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

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)
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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

Subaru Crosstrek

The Subaru Crosstrek is a compact, go-anywhere crossover that blends rugged good looks with Subaru's familiar all-wheel-drive confidence, so it feels equally at home on backroads and in the supermarket car park. It delivers practical, reliable transport with a comfy ride and sensible features — not the flashiest cabin, but great for buyers who prefer substance over sparkle.

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Reviews Subaru Crosstrek

4.3 (3 Reviews)
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No reviews yet. Share your experience and help others decide.

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Mercedes GLB
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Costs and Consumption
Price
43,200 - 62,400 £
Price
29,900 - 35,000 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
7.7 L/100km
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
-
Electric Range
431 - 631 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
174 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
1,840 - 2,280 kg
Curb weight
1,595 - 1,628 kg
Trunk capacity
540 L
Trunk capacity
315 L
Length
-
Length
-
Width
1,861 mm
Width
1,800 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
472 - 505 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
CVT
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
156 - 354 HP
Power HP
136 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
10.8 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
182 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
115 - 260 kW
Power kW
100 kW
Engine capacity
1,499 cm3
Engine capacity
1,995 cm3

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
F
Brand
Mercedes-Benz
Brand
Subaru
What drive types are available for the Mercedes GLB?

Available configurations include Rear-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.