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Audi Q8 vs Mercedes GLC comparison

Compare performance (640 HP vs 472 HP), boot space and price (77,300 £ vs 50,300 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Mercedes GLC?

Audi Q8 vs Mercedes GLC: Key differences

Audi Q8

4.9 (1 Reviews)
rate
  • markedly more power
  • slightly quicker 0–100 km/h
details

Mercedes GLC

4.4 (13 Reviews)
rate
  • clearly cheaper
  • considerably more efficient
  • noticeably more electric range
  • only slightly lighter
  • barely 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

Q8

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes GLC is clearly cheaper – starting at 50,300 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 26,987 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is considerably more efficient than the Audi Q8 with 3.9 L/100km. The difference is about 2.3 L/100km.

As for electric range, the Mercedes GLC offers noticeably more range – reaching up to 128 km, about 48 km more than the Audi Q8.

GLC

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 offers markedly more power – delivering 640 HP compared to 472 HP. That’s roughly 168 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 is slightly quicker – completing the sprint in 3.6 s, while the Mercedes GLC takes 4.2 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Audi Q8 delivers slightly more torque with 850 Nm compared to 750 Nm. That’s about 100 Nm more.

Q8

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 GLC is only slightly lighter – 1,985 kg compared to 2,175 kg. The difference is around 190 kg.

Looking at boot space, the Mercedes GLC offers barely more boot space – 620 L compared to 605 L. That’s a difference of about 15 L.

When it comes to payload, the Audi Q8 carries a bit more – 665 kg compared to 575 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The Mercedes GLC stands well ahead of its rival 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 £50,300
GLC

Mercedes GLC

  • Engine Type Diesel MHEV, Plugin Hybrid, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 186 - 472 HP
  • Consumption L/100km 1.6 - 9.4 L/100km
  • Electric Range 122 - 128 km
details

Frequently compared as well

Mercedes GLC
Volvo EX60
VS
The Mercedes GLC and the Volvo EX60 take different approaches to the premium compact SUV segment: the GLC leans on refined ride, traditional luxury and a choice of petrol, mild-hybrid or plug-in options, while the EX60 emphasizes all-electric power, minimalist Scandinavian design and advanced …
Audi Q6 e-tron
Mercedes GLC
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Audi Q8
Mercedes GLC

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
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.

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Reviews Audi Q8

4.9 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

Mercedes GLC

The Mercedes GLC blends quiet refinement with premium materials to create a comfortable, modern cabin that feels more upscale than its size might suggest. It delivers composed handling and confident on-road manners while offering practical versatility and a strong suite of driver assistance and infotainment features.

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Reviews Mercedes GLC

4.4 (13 Reviews)
rate
Zede
10 May 2026, 20:12:35

Too expensive! To justify it with technology that's equal or inferior.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mercedes GLC
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Audi Q8
Mercedes GLC

Costs and Consumption
Price
77,300 - 137,100 £
Price
50,300 - 82,100 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
1.6 - 9.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
122 - 128 km
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
41 - 214 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
1,985 - 2,400 kg
Trunk capacity
439 - 605 L
Trunk capacity
390 - 620 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,890 - 1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
475 - 575 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Diesel MHEV, Plugin Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
231 - 640 HP
Power HP
186 - 472 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
4.2 - 9 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
380 - 750 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
170 - 471 kW
Power kW
137 - 347 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G, B
CO2 Efficiency Class
D, B, E, F, G
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi Q8 have?

Available configurations include 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.