Mercedes GLB vs Renault Austral - Differences and prices compared

Q: How much power does the Mercedes GLB deliver on the road?

Depending on the version, the Mercedes GLB delivers up to 320 HP.

Q: How much fuel does the Mercedes GLB use?

Based on WLTP testing, consumption is around 5.60 L.

Q: What is the top speed of the Mercedes GLB?

The Mercedes GLB reaches up to 250 km/h.

Q: How much luggage fits in the Mercedes GLB?

Depending on configuration, up to 570 L fit inside.

Q: How big is the Mercedes GLB overall?

Overall, the Mercedes GLB is 4634 mm long, 1834 mm wide and 1692 mm high.

Q: What drivetrain options does the Renault Austral have?

Available configurations include Front-Wheel Drive.

Q: What is the maximum horsepower of the Renault Austral?

Depending on the version, the Renault Austral delivers up to 200 HP.

Q: How much fuel does the Renault Austral use?

On average, the Renault Austral consumes 4.80 L.

Q: How fast can the Renault Austral go?

The Renault Austral reaches up to 180 km/h.

Compare performance (320 HP vs 200 HP), boot space and price (40500 £ vs 29700 £) at a glance. Find out which car is the better choice for you – Mercedes GLB or Renault Austral?

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Mercedes GLB

Renault Austral

5 (2 Reviews)

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.

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.

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 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.

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GLB

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

Mercedes GLB

Price : 40500 - 65300 £
Body Type : SUV
Engine Type : Petrol MHEV, Diesel
Transmission : Automatic
Transmission Detail : Dual-Clutch Automatic
Drive Type : Front-Wheel Drive, All-Wheel Drive
Power HP : 116 - 320 HP
Consumption L/100km : 5.6 - 9 L
Seats : 5
Acceleration 0-100km/h : 5.5 - 11.5 s
Model Year : 2025
Max Speed : 188 - 250 km/h
Torque : 230 - 400 Nm
Number of Cylinders : 4
Doors : 5
Model : GLB
Modell : GLB 180, GLB 200, GLB 220, GLB 250, GLB 180 d, GLB 200 d, GLB 220 d, GLB 35 AMG
CO2 Efficiency Class : E, F, G
Trim Level : 7G-DCT, Advanced 7G-DCT, Progressive Line Advanced 7G-DCT, Progressive Line Advanced Plus 7G-DCT, Special Edition 7G-DCT, AMG Line Advanced Plus 7G-DCT, AMG Line Premium 7G-DCT, 4MATIC 8G-DCT, Advanced 4MATIC 8G-DCT, Progressive Line Advanced 4MATIC 8G-DCT, Progressive Line Advanced Plus 4MATIC 8G-DCT, Special Edition 4MATIC 8G-DCT, AMG Line Advanced Plus 4MATIC 8G-DCT, 8G-DCT, Advanced 8G-DCT, Progressive Line Advanced 8G-DCT, Progressive Line Advanced Plus 8G-DCT, Special Edition 8G-DCT, AMG Line Advanced Plus 8G-DCT, AMG Line Premium 8G-DCT, AMG Line Premium Plus 7G-DCT, AMG Line Premium 4MATIC 8G-DCT, AMG Line Premium Plus 4MATIC 8G-DCT, AMG Line Premium Plus 8G-DCT, Advanced Plus 4MATIC SPEEDSHIFT DCT 8G, Premium 4MATIC SPEEDSHIFT DCT 8G, Premium Plus 4MATIC SPEEDSHIFT DCT 8G
Power kW : 85 - 235 kW
co2 : 146 - 204 g/km
Engine capacity : 1332 - 1991 cm3
Curb weight : 1640 - 1820 kg
Fuel tank capacity : 52 - 60 L
Trunk capacity : 565 - 570 L
Length : 4634 - 4650 mm
Width : 1834 - 1850 mm
Height : 1665 - 1692 mm
Brand : Mercedes-Benz
Max trunk capacity : 1800 - 1805 L
Payload : 500 kg

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Mercedes GLB

Renault Austral

Costs and Consumption

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Price

Consumption L/100km

co2

Fuel tank capacity

Engine and Performance

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Power HP

Acceleration 0-100km/h

Max Speed

Torque

Number of Cylinders

Power kW

Engine capacity

Dimensions and Body

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Seats

Curb weight

Trunk capacity

Max trunk capacity

Payload

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.

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Renault Austral

5 (2 Reviews)

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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Mercedes GLB

Renault 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