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Mercedes GLB vs Renault Austral – Performance, range & efficiency compared

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Mercedes GLB or Renault Austral?

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

Costs and Efficiency:

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

Renault Austral has a noticeable advantage in terms of price – it starts at 29700 £, while the Mercedes GLB costs 40500 £. That’s a price difference of around 10767 £.

Fuel consumption also shows a difference: Renault Austral manages with 4.80 L and is therefore slightly more efficient than the Mercedes GLB with 5.60 L. The difference is about 0.80 L per 100 km.

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 has a evident edge – offering 320 HP compared to 200 HP. That’s roughly 120 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLB is clearly quicker – completing the sprint in 5.50 s, while the Renault Austral takes 8.40 s. That’s about 2.90 s faster.

In terms of top speed, the Mercedes GLB performs evident better – reaching 250 km/h, while the Renault Austral tops out at 180 km/h. The difference is around 70 km/h.

There’s also a difference in torque: Mercedes GLB pulls clearly perceptible stronger with 400 Nm compared to 270 Nm. That’s about 130 Nm difference.

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 curb weight, Renault Austral is hardly perceptible lighter – 1539 kg compared to 1640 kg. The difference is around 101 kg.

In terms of boot space, the Mercedes GLB offers hardly perceptible more room – 570 L compared to 555 L. That’s a difference of about 15 L.

In maximum load capacity, the Mercedes GLB performs slight better – up to 1805 L, which is about 44 L more than the Renault Austral.

When it comes to payload, Mercedes GLB barely noticeable takes the win – 500 kg compared to 477 kg. That’s a difference of about 23 kg.

Who wins the race?

The Mercedes GLB proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
Mercedes GLB is the better all-rounder in this comparison.

from about £40,500
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Mercedes GLB

  • Engine Type : Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 320 HP
  • Consumption L/100km : 5.6 - 9 L
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Mercedes GLB

The Mercedes-Benz GLB exudes a robust yet sophisticated presence, combining the versatility of an SUV with the elegance the brand is renowned for. Its spacious interior is thoughtfully designed to accommodate modern lifestyles, offering flexibility and comfort for both drivers and passengers. With advanced technology seamlessly integrated throughout, the GLB ensures a driving experience that is both dynamic and intuitive.

details
19C0853_001 @ group-media.mercedes-benz.com
19C0853_003 @ group-media.mercedes-benz.com
19C0853_015 @ group-media.mercedes-benz.com
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19C0797_007 @ group-media.mercedes-benz.com

Renault Austral

5 (2)
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The Renault Austral is a compact SUV that combines modern design with advanced technology, making it a standout in the crowded automotive market. Its sleek exterior styling is paired with a comfortable and spacious interior, providing a premium feel for passengers. With an emphasis on connectivity and innovation, the Austral ensures that drivers stay engaged and informed on every journey.

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r220291p @ Renault
r220293p @ Renault
r220394p @ Renault
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r221115p @ Renault

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Mercedes GLB
Renault Austral
GLB
Austral

Costs and Consumption
Price
40500 - 65300 £
Price
29700 - 37800 £
Consumption L/100km
5.6 - 9 L
Consumption L/100km
4.8 - 6.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
146 - 204 g/km
co2
109 - 148 g/km
Fuel tank capacity
52 - 60 L
Fuel tank capacity
55 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1640 - 1820 kg
Curb weight
1539 - 1613 kg
Trunk capacity
565 - 570 L
Trunk capacity
527 - 555 L
Length
4634 - 4650 mm
Length
4533 mm
Width
1834 - 1850 mm
Width
1825 mm
Height
1665 - 1692 mm
Height
1645 mm
Max trunk capacity
1800 - 1805 L
Max trunk capacity
1736 - 1761 L
Payload
500 kg
Payload
464 - 477 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Petrol MHEV, Full Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
CVT, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 320 HP
Power HP
158 - 200 HP
Acceleration 0-100km/h
5.5 - 11.5 s
Acceleration 0-100km/h
8.4 - 9.7 s
Max Speed
188 - 250 km/h
Max Speed
180 km/h
Torque
230 - 400 Nm
Torque
270 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
85 - 235 kW
Power kW
116 - 147 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
1199 - 1332 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
E, C
Brand
Mercedes-Benz
Brand
Renault

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What drivetrain options does the Mercedes GLB have?

Available configurations include Front-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.