Deutschland
France
Nederland
Great Britain
Sverige
Danmark
Suomi
Italia
Polska
Česko
EspañaVS
Audi Q8 vs Mercedes GLB comparison
Compare performance (640 HP vs 354 HP), boot space and price (77,300 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Mercedes GLB?
Audi Q8 vs Mercedes GLB: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Q8
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 significantly cheaper – starting at 43,200 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 34,117 £.
Fuel consumption also shows a difference: the Audi Q8 uses 3.9 L/100km and is clearly more efficient than the Mercedes GLB with 5.7 L/100km. The difference is about 1.8 L/100km.
As for electric range, the Mercedes GLB offers substantially more range – reaching up to 631 km, about 551 km more than the Audi Q8.
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 Q8 offers significantly more power – delivering 640 HP compared to 354 HP. That’s roughly 286 HP more horsepower.
When accelerating from 0 to 100 km/h, the Audi Q8 is significantly quicker – completing the sprint in 3.6 s, while the Mercedes GLB takes 5.5 s. That’s about 1.9 s quicker.
There’s also a difference in torque: the Audi Q8 delivers visibly more torque with 850 Nm compared to 515 Nm. That’s about 335 Nm more.
Q8
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 terms of curb weight, Mercedes GLB is moderately lighter – 1,840 kg compared to 2,175 kg. The difference is around 335 kg.
Looking at boot space, the Audi Q8 offers a bit more boot space – 605 L compared to 540 L. That’s a difference of about 65 L.
When it comes to payload, the Audi Q8 carries visibly more – 665 kg compared to 505 kg. That’s a difference of about 160 kg.
Who wins the race in the data check?
The Audi Q8 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 £77,300
Audi Q8
Audi Q8
Mercedes GLB
Costs and Consumption
View detailed analysis
View detailed analysis
Engine and Performance
View detailed analysis
View detailed analysis
Dimensions and Body
View detailed analysis
View detailed analysis
Audi Q8
The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.
details
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.
details
Audi Q8
Mercedes GLB
Costs and Consumption |
|
|---|---|
|
Price
77,300 - 137,100 £
|
Price
43,200 - 62,400 £
|
|
Consumption L/100km
3.9 - 13.1 L/100km
|
Consumption L/100km
5.7 - 6.1 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
15.4 - 15.9 kWh/100km
|
|
Electric Range
80 km
|
Electric Range
431 - 631 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
88 - 297 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
2,175 - 2,490 kg
|
Curb weight
1,840 - 2,280 kg
|
|
Trunk capacity
439 - 605 L
|
Trunk capacity
540 L
|
|
Length
-
|
Length
-
|
|
Width
1,995 - 2,007 mm
|
Width
1,861 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
620 - 665 kg
|
Payload
485 - 505 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
|
Engine Type
Electric, Full Hybrid
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Automatic Gearbox
|
Transmission Detail
Reduction Gearbox
|
|
Drive Type
All-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
231 - 640 HP
|
Power HP
156 - 354 HP
|
|
Acceleration 0-100km/h
3.6 - 7.1 s
|
Acceleration 0-100km/h
5.5 - 9.7 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
500 - 850 Nm
|
Torque
280 - 515 Nm
|
|
Number of Cylinders
6 - 8
|
Number of Cylinders
4
|
|
Power kW
170 - 471 kW
|
Power kW
115 - 260 kW
|
|
Engine capacity
2,967 - 3,996 cm3
|
Engine capacity
1,499 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2026
|
|
CO2 Efficiency Class
G, B
|
CO2 Efficiency Class
A, D, E
|
|
Brand
Audi
|
Brand
Mercedes-Benz
|
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.