VS

Audi Q8 e-tron vs Mercedes GLB comparison

Compare performance (503 HP vs 354 HP), boot space and price (65100 £ vs 50600 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 e-tron or Mercedes GLB?

Audi Q8 e-tron vs Mercedes GLB: Key differences

Audi Q8 e-tron

  • evident more power
  • clearly perceptible quicker from 0–100 km/h
  • barely noticeable more trunk space

Mercedes GLB

3.2 (3 Reviews)
rate
  • clearly perceptible cheaper
  • noticeable more efficient
  • barely noticeable more electric range
  • a bit lighter

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

Q8 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 has a clearly perceptible advantage in terms of price – it starts at 50600 £ , while the Audi Q8 e-tron costs 65100 £ . That’s a price difference of around 14445 £.

In terms of energy consumption, the advantage goes to the Mercedes GLB: with 15.80 kWh per 100 km, it’s noticeable more efficient than the Audi Q8 e-tron with 19.70 kWh. That’s a difference of about 3.90 kWh.

As for electric range, the Mercedes GLB performs barely noticeable better – achieving up to 631 km, about 36 km more than the Audi Q8 e-tron.

GLB

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 Q8 e-tron has a evident edge – offering 503 HP compared to 354 HP. That’s roughly 149 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi Q8 e-tron is clearly perceptible quicker – completing the sprint in 4.50 s, while the Mercedes GLB takes 5.50 s. That’s about 1 s faster.

There’s also a difference in torque: Audi Q8 e-tron pulls clearly stronger with 973 Nm compared to 515 Nm. That’s about 458 Nm difference.

Q8 e-tron

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In curb weight, Mercedes GLB is a bit lighter – 2200 kg compared to 2585 kg. The difference is around 385 kg.

In terms of boot space, the Audi Q8 e-tron offers barely noticeable more room – 569 L compared to 540 L. That’s a difference of about 29 L.

When it comes to payload, Audi Q8 e-tron slightly takes the win – 595 kg compared to 500 kg. That’s a difference of about 95 kg.

Who wins the race in the data check?

The Audi Q8 e-tron is far ahead 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.

Frequently compared as well

Audi Q6 e-tron
Audi Q8 e-tron
VS
In the competitive electric SUV landscape, the Audi Q6 e-tron stands out with its sporty design and advanced technology, targeting a younger audience seeking a dynamic driving experience. Meanwhile, the Audi Q8 e-tron offers a more luxurious option, combining spaciousness and comfort with …
Mercedes EQB
Mercedes GLB
VS
Mercedes EQB and Mercedes GLB go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Audi Q8 e-tron
Mercedes GLB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £65,100
Q8 e-tron

Audi Q8 e-tron

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 340 - 503 HP
  • Consumption kWh/100km : 19.7 - 26.3 kWh
  • Electric Range : 456 - 595 km
details

Audi Q8 e-tron

The Audi Q8 e-tron wraps Audi’s usual premium polish into a quiet, composed electric SUV that feels refined and surprisingly effortless to drive. With a spacious, tech-forward cabin and understated road presence, it’s a practical yet stylish choice for buyers who want electric motoring without losing the dignity of a proper luxury SUV.

details
A226160_medium
A226925_medium
A226923_medium
A226157_medium
A226870_medium
A226124_medium
A226128_medium

Mercedes GLB

3.2 (3 Reviews)
rate

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
19C0853_001
19C0853_003
19C0853_015
19C0853_069
19C0797_007

Reviews Audi Q8 e-tron

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 Q8 e-tron
Mercedes GLB

Costs and Consumption
Price
65100 - 102800 £
Price
50600 - 62400 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.7 - 26.3 kWh
Consumption kWh/100km
15.8 - 15.9 kWh
Electric Range
456 - 595 km
Electric Range
614 - 631 km
Battery Capacity
89 - 106 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
2585 - 2725 kg
Curb weight
2200 - 2280 kg
Trunk capacity
528 - 569 L
Trunk capacity
540 L
Length
4915 mm
Length
-
Width
1937 - 1994 mm
Width
1861 mm
Height
1617 - 1683 mm
Height
-
Max trunk capacity
1567 - 1637 L
Max trunk capacity
-
Payload
515 - 595 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
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
340 - 503 HP
Power HP
272 - 354 HP
Acceleration 0-100km/h
4.5 - 6 s
Acceleration 0-100km/h
5.5 - 7.4 s
Max Speed
200 - 210 km/h
Max Speed
-
Torque
664 - 973 Nm
Torque
335 - 515 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
250 - 370 kW
Power kW
200 - 260 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2023 - 2024
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
Mercedes-Benz

Similar Comparisons

Mercedes GLB
Skoda Kodiaq
VS
The Mercedes GLB dresses up compact practicality in a premium suit, with crisp tech and city-friendly manners, while the Skoda Kodiaq goes full-on family hauler, offering cavernous space and sensible value. Choose the GLB for style and badge appeal; pick the Kodiaq if you need seats, luggage and a …
Mercedes GLB
VW Tayron
VS
In the competitive compact SUV segment, the Mercedes GLB and VW Tayron each bring their unique strengths to the table. The GLB captivates with its luxurious interior and advanced technology features, making it a perfect blend of style and substance. Meanwhile, the VW Tayron impresses with its …
Mercedes GLB
smart #5
VS
The Mercedes GLB is a sensible, slightly boxy premium compact SUV that delivers real-world space, family practicality and a composed long-distance ride, while the smart #5 is a punchy electric crossover that trades rear-seat room for sharp styling, low running costs and urban agility. If you …
BMW X1
Mercedes GLB
VS
When comparing the BMW X1 and Mercedes GLB, both compact SUVs offer a blend of luxury and practicality, but their approaches differ significantly. The X1 stands out with its sporty driving dynamics and agile handling, making it a favorite among enthusiasts. In contrast, the GLB impresses with its …
Mercedes GLB
Peugeot 5008
VS
Mercedes GLB and Peugeot 5008 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Mercedes CLA Shooting Brake
Mercedes GLB
VS
The Mercedes CLA Shooting Brake and Mercedes GLB compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes GLB
Mercedes GLC
VS
In the competitive landscape of luxury SUVs, the Mercedes GLB and GLC cater to distinct preferences with their unique attributes. While the GLB offers a more spacious interior and a flexible seating arrangement, making it an ideal choice for families, the GLC excels in sportier driving dynamics and …
Mercedes GLB
Volvo XC60
VS
In the competitive compact luxury SUV segment, the Mercedes GLB stands out with its versatile seating layout and a seamless blend of style and functionality. Meanwhile, the Volvo XC60 impresses with its emphasis on safety and Scandinavian design aesthetics, offering a serene and high-tech driving …
What drive types are available for the Audi Q8 e-tron?

The Audi Q8 e-tron is offered with 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.