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Audi Q8 vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (640 HP vs 843 HP), boot space and price (77,300 £ vs 97,200 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Mercedes AMG GT 4-Door Coupé?

Audi Q8 vs Mercedes AMG GT 4-Door Coupé: Key differences

Audi Q8

  • markedly cheaper
  • considerably more efficient
  • significantly more electric range
  • visibly more trunk space

Mercedes AMG GT 4-Door Coupé

  • visibly more power
  • markedly quicker 0–100 km/h
  • barely lighter

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 is markedly cheaper – starting at 77,300 £ , while the Mercedes AMG GT 4-Door Coupé costs 97,200 £ . That’s a price difference of around 19,897 £.

Fuel consumption also shows a difference: the Audi Q8 uses 3.9 L/100km and is considerably more efficient than the Mercedes AMG GT 4-Door Coupé with 9.5 L/100km. The difference is about 5.6 L/100km.

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

AMG GT 4-Door Coupé

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 Mercedes AMG GT 4-Door Coupé offers visibly more power – delivering 843 HP compared to 640 HP. That’s roughly 203 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is markedly quicker – completing the sprint in 2.9 s, while the Audi Q8 takes 3.6 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers significantly more torque with 1,470 Nm compared to 850 Nm. That’s about 620 Nm more.

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 more seats – 5 vs 4.

In terms of curb weight, Mercedes AMG GT 4-Door Coupé is barely lighter – 2,040 kg compared to 2,175 kg. The difference is around 135 kg.

Looking at boot space, the Audi Q8 offers visibly more boot space – 605 L compared to 461 L. That’s a difference of about 144 L.

When it comes to payload, the Audi Q8 carries noticeably more – 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 holds a decisive overall lead 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
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/100km
  • Electric Range : 80 km
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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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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.

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Reviews Mercedes AMG GT 4-Door Coupé

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Audi Q8
Mercedes AMG GT 4-Door Coupé

Costs and Consumption
Price
77,300 - 137,100 £
Price
97,200 - 182,100 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
9.5 - 12.7 L/100km
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
2,175 - 2,490 kg
Curb weight
2,040 - 2,380 kg
Trunk capacity
439 - 605 L
Trunk capacity
335 - 461 L
Length
-
Length
5,054 mm
Width
1,995 - 2,007 mm
Width
1,953 mm
Height
-
Height
1,447 - 1,455 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 - 1,470 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
170 - 471 kW
Power kW
286 - 620 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
2,999 - 3,982 cm3

General
Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
G, B
CO2 Efficiency Class
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.