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Mercedes GLB vs Renault Austral comparison

Compare performance (354 HP vs 200 HP), boot space and price (50,600 £ vs 29,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Renault Austral?

Mercedes GLB vs Renault Austral: Key differences

Mercedes GLB

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

Renault Austral

4.9 (4 Reviews)
rate
  • substantially cheaper
  • significantly lighter

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:

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.

Renault Austral is substantially cheaper – starting at 29,900 £ , while the Mercedes GLB costs 50,600 £ . That’s a price difference of around 20,698 £.

Austral

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 clearly more power – delivering 354 HP compared to 200 HP. That’s roughly 154 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is considerably quicker – completing the sprint in 5.5 s, while the Renault Austral takes 8.4 s. That’s about 2.9 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers substantially more torque with 515 Nm compared to 270 Nm. That’s about 245 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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Renault Austral is significantly lighter – 1,548 kg compared to 2,200 kg. The difference is around 652 kg.

Looking at boot space, the Mercedes GLB offers barely more boot space – 540 L compared to 527 L. That’s a difference of about 13 L.

When it comes to payload, the Mercedes GLB carries very slightly more – 500 kg compared to 477 kg. That’s a difference of about 23 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 £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

Frequently compared as well

Renault Austral
Renault Symbioz
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If you want a sensible, well-rounded family SUV you can actually drive home today, the Renault Austral is the clear choice — comfortable, efficient and unfussy. The Renault Symbioz, by contrast, is a futuristic concept car full of show-stopping ideas and tech, perfect for gawking at motor shows but …
Renault Austral
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Between the Renault Austral and the Renault Rafale, the Austral is the practical, family-focused SUV that prioritises comfort, space and everyday usability, while the Rafale leans into coupe‑SUV styling and a sharper, more dynamic driving character. Choose the Austral for sensible value and room …
Mercedes GLB
Renault Austral

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 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.

details
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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

Renault Austral

The Renault Austral dresses the family SUV in elegant modern looks and a surprisingly grown-up cabin that feels thoughtful and livable. It balances comfort and clever technology with a relaxed road presence—an appealing choice for buyers who want style and everyday sense without fuss.

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r220293p
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r221062p
r221121p
r221115p

Reviews Renault Austral

4.9 (4 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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Mercedes GLB
Renault Austral

Costs and Consumption
Price
50,600 - 62,400 £
Price
29,900 - 37,800 £
Consumption L/100km
-
Consumption L/100km
4.8 - 6.4 L/100km
Consumption kWh/100km
15.8 - 15.9 kWh/100km
Consumption kWh/100km
-
Electric Range
614 - 631 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
109 - 145 g/km
Fuel tank capacity
-
Fuel tank capacity
55 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,200 - 2,280 kg
Curb weight
1,548 - 1,613 kg
Trunk capacity
540 L
Trunk capacity
527 L
Length
-
Length
4,533 mm
Width
1,861 mm
Width
1,825 mm
Height
-
Height
1,645 mm
Max trunk capacity
-
Max trunk capacity
1,736 L
Payload
500 kg
Payload
455 - 477 kg

Engine and Performance
Engine Type
Electric
Engine Type
Full Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox, CVT
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
272 - 354 HP
Power HP
148 - 200 HP
Acceleration 0-100km/h
5.5 - 7.4 s
Acceleration 0-100km/h
8.4 - 9.9 s
Max Speed
-
Max Speed
180 km/h
Torque
335 - 515 Nm
Torque
270 Nm
Number of Cylinders
-
Number of Cylinders
3 - 4
Power kW
200 - 260 kW
Power kW
109 - 147 kW
Engine capacity
-
Engine capacity
1,199 - 1,332 cm3

General
Model Year
2,026
Model Year
2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
C, E
Brand
Mercedes-Benz
Brand
Renault
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.