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Audi Q6 e-tron vs Mercedes GLB comparison

Compare performance (490 HP vs 354 HP), boot space and price (54400 £ vs 50600 £ ) 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

4.9 (3 Reviews)
rate
  • distinct more power
  • barely noticeable more efficient
  • hardly perceptible more electric range
  • noticeable quicker from 0–100 km/h

Mercedes GLB

3.2 (3 Reviews)
rate
  • barely noticeable cheaper
  • hardly perceptible more trunk space

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

Q6 e-tron

Costs and Efficiency:

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

Mercedes GLB has a barely noticeable advantage in terms of price – it starts at 50600 £ , while the Audi Q6 e-tron costs 54400 £ . That’s a price difference of around 3816 £.

In terms of energy consumption, the advantage goes to the Audi Q6 e-tron: with 15.60 kWh per 100 km, it’s barely noticeable more efficient than the Mercedes GLB with 15.80 kWh. That’s a difference of about 0.20 kWh.

As for electric range, the Audi Q6 e-tron performs hardly perceptible better – achieving up to 656 km, about 25 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 has a distinct edge – offering 490 HP compared to 354 HP. That’s roughly 136 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi Q6 e-tron is noticeable quicker – completing the sprint in 4.40 s, while the Mercedes GLB takes 5.50 s. That’s about 1.10 s faster.

There’s also a difference in torque: Audi Q6 e-tron pulls distinct stronger with 855 Nm compared to 515 Nm. That’s about 340 Nm difference.

Q6 e-tron

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.

Both models weigh roughly the same – around 2200 kg.

In terms of boot space, the Mercedes GLB offers hardly perceptible more room – 540 L compared to 526 L. That’s a difference of about 14 L.

When it comes to payload, Audi Q6 e-tron slight takes the win – 540 kg compared to 500 kg. That’s a difference of about 40 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.

Frequently compared as well

Audi Q5
Audi Q6 e-tron
VS
The Audi Q5 remains the comfortable, all‑round workhorse — traditional petrol, diesel and mild‑hybrid engines give familiar range, agreeable handling and a practical boot for family life. The Audi Q6 e‑tron, meanwhile, catapults you into Audi’s electric future with sleek looks, a tech‑packed cabin …
Audi Q6 e-tron
BMW iX
VS
The Audi Q6 e-tron feels like a precision-engineered salon on wheels—sleeker, more driver-focused, with crisp handling and an interior that whispers luxury rather than shouts it. The BMW iX is the bigger, bolder statement: cavernous, supremely comfortable and range-minded; pick the Q6 for the …
Audi Q6 e-tron
Mercedes GLB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £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 : 15.6 - 18.4 kWh
  • Electric Range : 529 - 656 km
details

Audi Q6 e-tron

4.9 (3 Reviews)
rate

The Audi Q6 e-tron balances sleek, coupe-like styling with a roomy, upscale interior that feels modern without being showy. It delivers refined electric performance and smart tech that make daily driving effortless — the sort of EV that might make petrolheads grudgingly admit they fancy the future.

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Mercedes GLB

3.2 (3 Reviews)
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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 Audi Q6 e-tron

4.9 (3 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.

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
Audi Q6 e-tron
Mercedes GLB

Costs and Consumption
Price
54400 - 82500 £
Price
50600 - 62400 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.6 - 18.4 kWh
Consumption kWh/100km
15.8 - 15.9 kWh
Electric Range
529 - 656 km
Electric Range
614 - 631 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 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
5
Doors
-
Curb weight
2200 - 2425 kg
Curb weight
2200 - 2280 kg
Trunk capacity
499 - 526 L
Trunk capacity
540 L
Length
4771 mm
Length
-
Width
1939 - 1965 mm
Width
1861 mm
Height
1665 - 1685 mm
Height
-
Max trunk capacity
1361 - 1529 L
Max trunk capacity
-
Payload
540 kg
Payload
500 kg

Engine and Performance
Engine Type
Electric
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
252 - 490 HP
Power HP
272 - 354 HP
Acceleration 0-100km/h
4.4 - 7.6 s
Acceleration 0-100km/h
5.5 - 7.4 s
Max Speed
210 - 230 km/h
Max Speed
-
Torque
450 - 855 Nm
Torque
335 - 515 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
185 - 360 kW
Power kW
200 - 260 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024 - 2025
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
Mercedes-Benz

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What drivetrain options does the Audi Q6 e-tron have?

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

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.