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Mercedes GLB vs Subaru BRZ comparison

Compare performance (354 HP vs 235 HP), boot space and price (43,200 £ vs 36,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Subaru BRZ?

Mercedes GLB vs Subaru BRZ: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • visibly more power
  • clearly more efficient
  • a bit quicker 0–100 km/h
  • clearly more trunk space
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Subaru BRZ

  • markedly cheaper
  • significantly 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.

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

GLB

Costs and Efficiency:

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

Subaru BRZ is markedly cheaper – starting at 36,000 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 7,206 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is clearly more efficient than the Subaru BRZ with 8.8 L/100km. The difference is about 3.1 L/100km.

BRZ

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 visibly more power – delivering 354 HP compared to 235 HP. That’s roughly 119 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is a bit quicker – completing the sprint in 5.5 s, while the Subaru BRZ takes 6.3 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers considerably more torque with 515 Nm compared to 250 Nm. That’s about 265 Nm more.

GLB

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 4.

In terms of curb weight, Subaru BRZ is significantly lighter – 1,275 kg compared to 1,840 kg. The difference is around 565 kg.

Looking at boot space, the Mercedes GLB offers clearly more boot space – 540 L compared to 237 L. That’s a difference of about 303 L.

When it comes to payload, the Mercedes GLB carries moderately more – 505 kg compared to 404 kg. That’s a difference of about 101 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 £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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Frequently compared as well

Mercedes EQB
Mercedes GLB
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The Mercedes EQB and Mercedes GLB target the same compact‑SUV buyers but take very different routes: the EQB is the all‑electric choice while the GLB relies on conventional petrol/diesel and mild‑hybrid engines. This quick comparison looks at driving character, interior practicality, range and …
Mercedes GLB
smart #5
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Mercedes GLB
Subaru BRZ

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 BRZ

The Subaru BRZ is a pure driver's car — lightweight, balanced and joyfully communicative, turning every twisty back road into an invitation to grin. It doesn’t hide behind flashy tech or brute power; instead it delivers razor-sharp handling and honest feedback, making it a brilliant choice for anyone who wants driving to feel like fun again.

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Reviews Subaru BRZ

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

Frequently compared as well

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BMW iX3
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The BMW iX3 and Mercedes GLB go head-to-head as two very different takes on the premium compact SUV: the iX3 is BMW’s electric, efficiency-focused offering while the GLB is Mercedes’ practical, multi‑seat family SUV. This comparison will help you weigh the iX3’s EV range, refinement and tech …
Mercedes GLB
Tesla Model Y
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Mercedes GLB
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Mercedes GLB
Subaru BRZ

Costs and Consumption
Price
43,200 - 62,400 £
Price
36,000 - 38,600 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
8.8 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
199 - 200 g/km
Fuel tank capacity
-
Fuel tank capacity
50 L

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
1,840 - 2,280 kg
Curb weight
1,275 - 1,296 kg
Trunk capacity
540 L
Trunk capacity
237 L
Length
-
Length
4,265 mm
Width
1,861 mm
Width
1,775 mm
Height
-
Height
1,310 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
395 - 404 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Manual, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
156 - 354 HP
Power HP
235 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
6.3 - 6.9 s
Max Speed
-
Max Speed
216 - 226 km/h
Torque
280 - 515 Nm
Torque
250 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
115 - 260 kW
Power kW
172 kW
Engine capacity
1,499 cm3
Engine capacity
2,387 cm3

General
Model Year
2026
Model Year
2024
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
G
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.