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Audi A8 vs Mercedes AMG GT 4-Door Coupé - Differences and prices compared

Compare performance (571 HP vs 843 HP), boot space and price (91400 £ vs 97200 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Mercedes AMG GT 4-Door Coupé?

Audi A8

5 (1 Reviews)
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Mercedes AMG GT 4-Door Coupé

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

A8

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.

Audi A8 has a hardly perceptible advantage in terms of price – it starts at 91400 £ , while the Mercedes AMG GT 4-Door Coupé costs 97200 £ . That’s a price difference of around 5840 £.

Fuel consumption also shows a difference: Audi A8 manages with 4.60 L and is therefore clearly more efficient than the Mercedes AMG GT 4-Door Coupé with 9.50 L. The difference is about 4.90 L per 100 km.

As for electric range, the Audi A8 performs decisively better – achieving up to 58 km, about 47 km more than the Mercedes AMG GT 4-Door Coupé.

AMG GT 4-Door Coupé

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes AMG GT 4-Door Coupé has a distinct edge – offering 843 HP compared to 571 HP. That’s roughly 272 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is noticeable quicker – completing the sprint in 2.90 s, while the Audi A8 takes 3.80 s. That’s about 0.90 s faster.

In terms of top speed, the Mercedes AMG GT 4-Door Coupé performs clearly perceptible better – reaching 316 km/h, while the Audi A8 tops out at 250 km/h. The difference is around 66 km/h.

There’s also a difference in torque: Mercedes AMG GT 4-Door Coupé pulls decisively stronger with 1470 Nm compared to 800 Nm. That’s about 670 Nm difference.

A8

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Audi A8 offers to a small extent more seating capacity – 5 vs 4.

In curb weight, Audi A8 is hardly perceptible lighter – 2035 kg compared to 2040 kg. The difference is around 5 kg.

In terms of boot space, the Audi A8 offers slight more room – 505 L compared to 461 L. That’s a difference of about 44 L.

When it comes to payload, Audi A8 clearly perceptible takes the win – 700 kg compared to 510 kg. That’s a difference of about 190 kg.

Who wins the race in the data check?

The Audi A8 is far ahead 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.

Audi A8
Mercedes AMG GT 4-Door Coupé

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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from about £91,400
A8

Audi A8

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 286 - 571 HP
  • Consumption L/100km : 4.6 - 11.5 L
  • Electric Range : 58 km

Audi A8

5 (1 Reviews)
rate

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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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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Audi A8
Mercedes AMG GT 4-Door Coupé

Costs and Consumption

Price
91400 - 134900 £
Price
97200 - 182100 £
Consumption L/100km
4.6 - 11.5 L
Consumption L/100km
9.5 - 12.7 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
215 - 287 g/km
Fuel tank capacity
82 L
Fuel tank capacity
73 - 80 L

Dimensions and Body

Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
4
Doors
4
Doors
5
Curb weight
2035 - 2415 kg
Curb weight
2040 - 2380 kg
Trunk capacity
390 - 505 L
Trunk capacity
335 - 461 L
Length
5190 - 5320 mm
Length
5054 mm
Width
1945 mm
Width
1953 mm
Height
1473 - 1488 mm
Height
1447 - 1455 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
380 - 510 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV, 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
286 - 571 HP
Power HP
389 - 843 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
250 km/h
Max Speed
270 - 316 km/h
Torque
500 - 800 Nm
Torque
500 - 1470 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
210 - 420 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, C
CO2 Efficiency Class
G
Brand
Audi
Brand
Mercedes-Benz
Is the Audi A8 offered with different drivetrains?

The Audi A8 is offered with 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.