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Audi Q6 e-tron vs Mercedes GLB comparison

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

Audi Q6 e-tron vs Mercedes GLB: Key differences

Audi Q6 e-tron

4.7 (6 Reviews)
rate
  • clearly more power
  • marginally more electric range
  • markedly quicker 0–100 km/h
details

Mercedes GLB

3.6 (4 Reviews)
rate
  • clearly cheaper
  • a bit lighter
  • very slightly 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

Q6 e-tron

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.

Mercedes GLB is clearly 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 marginally more range – reaching up to 668 km, about 37 km more than the Mercedes GLB.

GLB

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 Audi Q6 e-tron offers clearly 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 markedly 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 clearly more torque with 855 Nm compared to 515 Nm. That’s about 340 Nm more.

Q6 e-tron

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 a bit 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 decisively ahead 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

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Costs and Consumption
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View detailed analysis

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.

details
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Reviews Audi Q6 e-tron

4.7 (6 Reviews)
rate
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.

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)
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

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Mercedes GLB

Costs and Consumption
Price
54,400 - 82,500 £
Price
43,200 - 62,400 £
Consumption L/100km
-
Consumption L/100km
5.7 - 6.1 L/100km
Consumption kWh/100km
15.4 - 18.4 kWh/100km
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Electric Range
535 - 668 km
Electric Range
431 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 - 138 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
2,200 - 2,425 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
499 - 526 L
Trunk capacity
540 L
Length
-
Length
-
Width
1,939 - 1,965 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
540 kg
Payload
485 - 505 kg

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

General
Model Year
2,024 - 2,025
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A, D, E
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi Q6 e-tron?

The Audi Q6 e-tron is offered with 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.