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Audi A6 Avant vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (367 HP vs 1,169 HP), boot space and price (49,700 £ vs 132,600 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Mercedes AMG GT 4-Door Coupé?

Audi A6 Avant vs Mercedes AMG GT 4-Door Coupé: Key differences

Audi A6 Avant

  • considerably cheaper
  • markedly lighter
  • visibly more trunk space
details

Mercedes AMG GT 4-Door Coupé

  • considerably more power
  • significantly more electric range
  • clearly quicker 0–100 km/h
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By Achim Sedelmaier

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

A6 Avant

Costs and Efficiency:

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

Audi A6 Avant is considerably cheaper – starting at 49,700 £ , while the Mercedes AMG GT 4-Door Coupé costs 132,600 £ . That’s a price difference of around 82,886 £.

As for electric range, the Mercedes AMG GT 4-Door Coupé offers significantly more range – reaching up to 690 km, about 589 km more than the Audi A6 Avant.

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 considerably more power – delivering 1,169 HP compared to 367 HP. That’s roughly 802 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is clearly quicker – completing the sprint in 2.4 s, while the Audi A6 Avant takes 4.7 s. That’s about 2.3 s quicker.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers significantly more torque with 2,000 Nm compared to 580 Nm. That’s about 1,420 Nm more.

A6 Avant

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: Audi A6 Avant offers more seats – 5 vs 4.

In terms of curb weight, Audi A6 Avant is markedly lighter – 1,865 kg compared to 2,535 kg. The difference is around 670 kg.

Looking at boot space, the Audi A6 Avant offers visibly more boot space – 503 L compared to 400 L. That’s a difference of about 103 L.

When it comes to payload, the Audi A6 Avant carries somewhat more – 570 kg compared to 460 kg. That’s a difference of about 110 kg.

Who wins the race in the data check?

The Mercedes AMG GT 4-Door Coupé 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.

from £132,600
AMG GT 4-Door Coupé

Mercedes AMG GT 4-Door Coupé

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 816 - 1,169 HP
  • Consumption kWh/100km 18.1 - 18.2 kWh/100km
  • Electric Range 686 - 690 km
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Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 Avant

The Audi A6 Avant wraps executive poise and usable practicality into an impeccably finished estate that makes everyday driving feel noticeably more grown-up. It serves up a calm, composed ride and clever packaging for buyers who want space and refinement without ostentation — the sensible choice that still manages to impress.

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Reviews Audi A6 Avant

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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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Mercedes AMG GT 4-Door Coupé

Costs and Consumption
Price
49,700 - 70,200 £
Price
132,600 - 168,300 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
18.1 - 18.2 kWh/100km
Electric Range
94 - 101 km
Electric Range
686 - 690 km
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
-
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Coupe
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
1,865 - 2,240 kg
Curb weight
2,535 kg
Trunk capacity
404 - 503 L
Trunk capacity
400 L
Length
-
Length
-
Width
1,875 mm
Width
1,958 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
460 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 367 HP
Power HP
816 - 1,169 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
2.4 - 2.8 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
1,800 - 2,000 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
150 - 270 kW
Power kW
600 - 860 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
-
Brand
Audi
Brand
Mercedes-Benz
Is the Audi A6 Avant offered with different drivetrains?

The Audi A6 Avant is offered with Front-Wheel Drive or 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.