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Audi Q8 vs Mercedes AMG GT 4-Door Coupé - Differences and prices compared

Compare performance (640 HP vs 843 HP), boot space and price (77300 £ vs 97200 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Mercedes AMG GT 4-Door Coupé?

Audi Q8

Mercedes AMG GT 4-Door Coupé

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

Q8

Costs and Efficiency:

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

Audi Q8 has a evident advantage in terms of price – it starts at 77300 £ , while the Mercedes AMG GT 4-Door Coupé costs 97200 £ . That’s a price difference of around 19897 £.

Fuel consumption also shows a difference: Audi Q8 manages with 3.90 L and is therefore clearly more efficient than the Mercedes AMG GT 4-Door Coupé with 9.50 L. The difference is about 5.60 L per 100 km.

As for electric range, the Audi Q8 performs significantly better – achieving up to 80 km, about 69 km more than the Mercedes AMG GT 4-Door Coupé.

AMG GT 4-Door Coupé

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 Mercedes AMG GT 4-Door Coupé has a distinct edge – offering 843 HP compared to 640 HP. That’s roughly 203 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is evident quicker – completing the sprint in 2.90 s, while the Audi Q8 takes 3.60 s. That’s about 0.70 s faster.

There’s also a difference in torque: Mercedes AMG GT 4-Door Coupé pulls significantly stronger with 1470 Nm compared to 850 Nm. That’s about 620 Nm difference.

Q8

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Audi Q8 offers somewhat more seating capacity – 5 vs 4.

In curb weight, Mercedes AMG GT 4-Door Coupé is barely noticeable lighter – 2040 kg compared to 2175 kg. The difference is around 135 kg.

In terms of boot space, the Audi Q8 offers clearly perceptible more room – 605 L compared to 461 L. That’s a difference of about 144 L.

When it comes to payload, Audi Q8 clearly perceptible takes the win – 665 kg compared to 510 kg. That’s a difference of about 155 kg.

Who wins the race in the data check?

The Audi Q8 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.

Audi Q8
Mercedes AMG GT 4-Door Coupé

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £77,300
Q8

Audi Q8

  • Engine Type : Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 231 - 640 HP
  • Consumption L/100km : 3.9 - 13.1 L
  • Electric Range : 80 km
details

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
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Mercedes AMG GT 4-Door Coupé

The Mercedes-AMG GT 4-Door Coupé transforms AMG's sports-car attitude into a surprisingly practical four-door package, pairing dramatic coupe looks with an interior that's both luxurious and genuinely usable. It's the choice for buyers who want supercar charisma without losing daily comfort — dramatic presence, a rorty soundtrack, and a chassis that turns routine drives into something worth smiling about.

details
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Reviews Audi Q8

Reviews Mercedes AMG GT 4-Door Coupé

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Costs and Consumption
Price
77300 - 137100 £
Price
97200 - 182100 £
Consumption L/100km
3.9 - 13.1 L
Consumption L/100km
9.5 - 12.7 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
215 - 287 g/km
Fuel tank capacity
-
Fuel tank capacity
73 - 80 L

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
4
Doors
-
Doors
5
Curb weight
2175 - 2490 kg
Curb weight
2040 - 2380 kg
Trunk capacity
439 - 605 L
Trunk capacity
335 - 461 L
Length
-
Length
5054 mm
Width
1995 - 2007 mm
Width
1953 mm
Height
-
Height
1447 - 1455 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
380 - 510 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
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
389 - 843 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
-
Max Speed
270 - 316 km/h
Torque
500 - 850 Nm
Torque
500 - 1470 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
170 - 471 kW
Power kW
286 - 620 kW
Engine capacity
2967 - 3996 cm3
Engine capacity
2999 - 3982 cm3

General
Model Year
2025
Model Year
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 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.