VS

Subaru Impreza vs Mercedes GLB comparison

Compare performance (136 HP vs 354 HP), boot space and price (30,300 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Subaru Impreza or Mercedes GLB?

Subaru Impreza vs Mercedes GLB: Key differences

Subaru Impreza

5 (2 Reviews)
rate
  • significantly cheaper
  • moderately lighter
details

Mercedes GLB

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

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

Impreza

Costs and Efficiency:

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

Subaru Impreza is significantly cheaper – starting at 30,300 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 12,889 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is markedly more efficient than the Subaru Impreza with 7.3 L/100km. The difference is about 1.6 L/100km.

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 clearly 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 Impreza takes 10.6 s. That’s about 5.1 s quicker.

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

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Subaru Impreza is moderately lighter – 1,574 kg compared to 1,840 kg. The difference is around 266 kg.

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

When it comes to payload, the Subaru Impreza carries very slightly more – 526 kg compared to 505 kg. That’s a difference of about 21 kg.

Who wins the race in the data check?

The Mercedes GLB stands well ahead of its rival 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
details

Frequently compared as well

BMW iX3
Mercedes GLB
VS
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 EQB
Mercedes GLB
VS
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 …
Subaru Impreza
Mercedes GLB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Subaru Impreza

The Subaru Impreza feels like a trusty companion built for everyday adventures, shrugging off bad weather and awkward parking with quiet competence. It won't win any style contests, but its sensible cabin, grippy manners, and honest driving character make it a smart pick for buyers who prefer substance over flash.

details
csm_24MY_Impreza_Sport_-_3_33d643cf2c

Reviews Subaru Impreza

5 (2 Reviews)
rate

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.

details
19C0853_001
19C0853_003
19C0853_015
19C0853_069
19C0797_007

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

Frequently compared as well

Mercedes CLA Shooting Brake
Mercedes GLB
VS
The Mercedes CLA Shooting Brake and the Mercedes GLB take two very different approaches to compact premium motoring: the CLA Shooting Brake pairs coupe-like styling with an estate’s practicality, while the GLB is a boxy, family-focused compact SUV that emphasizes space and versatility. If you …
Mercedes GLB
Volvo EX60
VS
Line up the pragmatic, boxy Mercedes GLB — a family-friendly compact SUV that prides itself on space and sensible engineering — against the sleek, tech-forward Volvo EX60 with its unmistakable Scandinavian design and safety-first instincts. It’s a clash of personalities: German practicality and …
Mercedes GLB
smart #5
VS
The Mercedes GLB is a sensible, slightly boxy premium compact SUV that delivers real-world space, family practicality and a composed long-distance ride, while the smart #5 is a punchy electric crossover that trades rear-seat room for sharp styling, low running costs and urban agility. If you …
Mercedes GLB
Skoda Kodiaq
VS
The Mercedes GLB dresses up compact practicality in a premium suit, with crisp tech and city-friendly manners, while the Skoda Kodiaq goes full-on family hauler, offering cavernous space and sensible value. Choose the GLB for style and badge appeal; pick the Kodiaq if you need seats, luggage and a …
Mercedes GLB
Tesla Model Y
VS
The Mercedes GLB and Tesla Model Y both aim at compact-SUV buyers but take very different approaches: the GLB focuses on practical space, traditional refinement and optional third-row seating, while the Model Y offers an all-electric drivetrain, strong range and Tesla’s tech-focused experience. …
Mercedes GLB
Mercedes GLC
VS
Choosing between the Mercedes GLB and the Mercedes GLC comes down to whether you prioritize compact practicality and optional seven-seat versatility or a more refined, upscale ride with stronger on-road dynamics. The GLB leans toward family-friendly packaging and value, while the GLC targets buyers …
Audi Q4 e-tron
Mercedes GLB
VS
The Audi Q4 e-tron and Mercedes GLB both target buyers wanting a premium compact SUV, but they approach that goal very differently. The Q4 e-tron is a purpose-built electric crossover focused on efficiency, tech and a refined ride, while the GLB is a more traditional gasoline-powered (with hybrid …
Mercedes GLB
Mercedes GLE
VS
In the competitive luxury SUV segment, the Mercedes GLB stands out with its compact dimensions and versatile interior, making it an ideal choice for urban drivers seeking practicality without sacrificing style. In contrast, the Mercedes GLE offers a more spacious cabin and robust performance, …
Subaru Impreza
Mercedes GLB

Costs and Consumption
Price
30,300 - 32,500 £
Price
43,200 - 62,400 £
Consumption L/100km
7.3 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
166 g/km
co2
0 - 138 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,574 - 1,599 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
315 L
Trunk capacity
540 L
Length
-
Length
-
Width
1,780 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
501 - 526 kg
Payload
485 - 505 kg

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

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
F
CO2 Efficiency Class
A, D, E
Brand
Subaru
Brand
Mercedes-Benz
What drivetrain options does the Subaru Impreza have?

The Subaru Impreza 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.