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Mercedes GLB vs Audi Q6 e-tron comparison

Compare performance (354 HP vs 490 HP), boot space and price (43,200 £ vs 54,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Audi Q6 e-tron?

Mercedes GLB vs Audi Q6 e-tron: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • noticeably cheaper
  • somewhat lighter
  • very slightly more trunk space
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Audi Q6 e-tron

4.7 (6 Reviews)
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  • visibly more power
  • very slightly more electric range
  • noticeably quicker 0–100 km/h
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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.

By Achim Sedelmaier

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

GLB

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes GLB is noticeably cheaper – starting at 43,200 £ , while the Audi Q6 e-tron costs 54,400 £ . That’s a price difference of around 11,231 £.

When it comes to electricity consumption, both models perform equally – each averaging 15.4 kWh/100km.

As for electric range, the Audi Q6 e-tron offers very slightly more range – reaching up to 668 km, about 37 km more than the Mercedes GLB.

Q6 e-tron

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Audi Q6 e-tron offers visibly more power – delivering 490 HP compared to 354 HP. That’s roughly 136 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q6 e-tron is noticeably quicker – completing the sprint in 4.4 s, while the Mercedes GLB takes 5.5 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Audi Q6 e-tron delivers visibly more torque with 855 Nm compared to 515 Nm. That’s about 340 Nm more.

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 terms of curb weight, Mercedes GLB is somewhat lighter – 1,840 kg compared to 2,200 kg. The difference is around 360 kg.

Looking at boot space, the Mercedes GLB offers very slightly more boot space – 540 L compared to 526 L. That’s a difference of about 14 L.

When it comes to payload, the Audi Q6 e-tron carries marginally more – 540 kg compared to 505 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The Audi Q6 e-tron is clearly superior 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 £54,400
Q6 e-tron

Audi Q6 e-tron

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 252 - 490 HP
  • Consumption kWh/100km 15.4 - 18.4 kWh/100km
  • Electric Range 535 - 668 km
details

Frequently compared as well

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Mercedes GLB
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Mercedes GLB
Audi Q6 e-tron

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

Audi Q6 e-tron

The Audi Q6 e-tron combines Audi's premium design and refined interior with a modern electric drivetrain that delivers effortless, quiet acceleration. It feels spacious and tech-forward, making it a comfortable and confident choice for buyers who want an upscale electric SUV for daily driving and longer trips.

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Reviews Audi Q6 e-tron

4.7 (6 Reviews)
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Monika
6 Nov 2025, 16:29:37

A slightly inflated price relative to the equipment included in this car.

Bula
11 Oct 2025, 08:59:08

Comfortable, but feels a bit firmer (over small bumps) than the Q5. You can tell the car has some heft!! The electric power — 388 PS / 285 kW BEV — is incredible. The battery drops pretty quickly if you push the beast a little. The advertised 600 km range is generous on paper; expect more like 500, or even 450 in winter. The onboard technology is surprising and pushed to the extreme. After trying it, it's hard to go back to a non-electric model.

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Mercedes GLB
Audi Q6 e-tron

Costs and Consumption
Price
43,200 - 62,400 £
Price
54,400 - 82,500 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
15.4 - 18.4 kWh/100km
Electric Range
431 - 631 km
Electric Range
535 - 668 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
2,200 - 2,425 kg
Trunk capacity
540 L
Trunk capacity
499 - 526 L
Length
-
Length
-
Width
1,861 mm
Width
1,939 - 1,965 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
540 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
156 - 354 HP
Power HP
252 - 490 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
4.4 - 7.6 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
450 - 855 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
185 - 360 kW
Engine capacity
1,499 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Audi
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.