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Audi Q8 vs Mercedes GLS – Differences & prices compared

Both models have their strengths – but which one suits you more?
Compare performance, efficiency, price and space directly: Audi Q8 or Mercedes GLS?

Here’s where it gets real: The technical differences in detail

Q8 @ audi-mediacenter.com

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Audi Q8 has a clearly perceptible advantage in terms of price – it starts at 75800 £, while the Mercedes GLS costs 96100 £. That’s a price difference of around 20349 £.

Fuel consumption also shows a difference: Audi Q8 manages with 1.30 L and is therefore clearly more efficient than the Mercedes GLS with 7.80 L. The difference is about 6.50 L per 100 km.

GLS @ group-media.mercedes-benz.com

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 has a minimal edge – offering 640 HP compared to 634 HP. That’s roughly 6 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi Q8 is slightly quicker – completing the sprint in 3.60 s, while the Mercedes GLS takes 4.20 s. That’s about 0.60 s faster.

In terms of top speed, the Mercedes GLS performs somewhat better – reaching 280 km/h, while the Audi Q8 tops out at 250 km/h. The difference is around 30 km/h.

Both models offer the same torque – 850 Nm.

Q8 @ audi-mediacenter.com

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.

Seats: Mercedes GLS offers noticeable more seating capacity – 7 vs 5.

In curb weight, Audi Q8 is a bit lighter – 2175 kg compared to 2550 kg. The difference is around 375 kg.

In terms of boot space, the Audi Q8 offers decisively more room – 605 L compared to 355 L. That’s a difference of about 250 L.

In maximum load capacity, the Mercedes GLS performs distinct better – up to 2400 L, which is about 645 L more than the Audi Q8.

When it comes to payload, Mercedes GLS slight takes the win – 695 kg compared to 665 kg. That’s a difference of about 30 kg.

Who wins the race?

The Audi Q8 proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
Audi Q8 is the better all-rounder in this comparison.

from about £75,800
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Audi Q8

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 231 - 640 HP
  • Consumption L/100km : 1.3 - 13.1 L
  • Electric Range : 82 - 83 km
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Audi Q8

The Audi Q8 combines luxurious design with advanced technology, offering a sophisticated driving experience. Its sleek exterior is complemented by a spacious and elegantly crafted interior, featuring high-quality materials and cutting-edge infotainment options. The Q8 handles with agility and precision, making it equally suited for city driving and long-distance journeys.

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Mercedes GLS

The Mercedes-Benz GLS represents the epitome of luxury and spaciousness in the SUV category, offering a blend of refined elegance and advanced technology. With its imposing presence and meticulously crafted interior, it provides both driver and passengers with unparalleled comfort and sophistication. The vehicle's state-of-the-art features and smooth performance make it a standout choice for those seeking both style and functionality in their automotive experience.

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19C0481_004 @ group-media.mercedes-benz.com
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Costs and Consumption
Price
75800 - 135600 £
Price
96100 - 208500 £
Consumption L/100km
1.3 - 13.1 L
Consumption L/100km
7.8 - 13.7 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
82 - 83 km
Electric Range
-
Battery Capacity
22 kWh
Battery Capacity
-
co2
30 - 297 g/km
co2
204 - 310 g/km
Fuel tank capacity
75 - 85 L
Fuel tank capacity
90 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
7
Doors
5
Doors
5
Curb weight
2175 - 2490 kg
Curb weight
2550 - 2825 kg
Trunk capacity
439 - 605 L
Trunk capacity
355 L
Length
4992 - 5022 mm
Length
5208 - 5233 mm
Width
1995 - 2007 mm
Width
1956 mm
Height
1697 - 1708 mm
Height
1782 - 1838 mm
Max trunk capacity
1755 L
Max trunk capacity
2400 L
Payload
620 - 665 kg
Payload
445 - 695 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Diesel 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
333 - 634 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
4.2 - 6.7 s
Max Speed
226 - 250 km/h
Max Speed
238 - 280 km/h
Torque
500 - 850 Nm
Torque
500 - 850 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
170 - 471 kW
Power kW
245 - 466 kW
Engine capacity
2967 - 3996 cm3
Engine capacity
2989 - 3982 cm3

General
Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
G, B
CO2 Efficiency Class
G
Brand
Audi
Brand
Mercedes-Benz

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What drive types are available for the Audi Q8?

Available configurations include All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.