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

Compare performance (367 HP vs 1,169 HP), boot space and price (47,600 £ vs 132,600 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or Mercedes AMG GT 4-Door Coupé?

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

Audi A6 Limousine

  • substantially cheaper
  • noticeably lighter
  • a bit more trunk space
details

Mercedes AMG GT 4-Door Coupé

  • substantially more power
  • considerably more electric range
  • clearly quicker 0–100 km/h
details

By Achim Sedelmaier

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

A6 Limousine

Costs and Efficiency:

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

Audi A6 Limousine is substantially cheaper – starting at 47,600 £ , while the Mercedes AMG GT 4-Door Coupé costs 132,600 £ . That’s a price difference of around 85,029 £.

As for electric range, the Mercedes AMG GT 4-Door Coupé offers considerably more range – reaching up to 690 km, about 585 km more than the Audi A6 Limousine.

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 offers substantially 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 Limousine 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 Limousine

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 A6 Limousine offers more seats – 5 vs 4.

In terms of curb weight, Audi A6 Limousine is noticeably lighter – 1,845 kg compared to 2,535 kg. The difference is around 690 kg.

Looking at boot space, the Audi A6 Limousine offers a bit more boot space – 492 L compared to 400 L. That’s a difference of about 92 L.

When it comes to payload, the Audi A6 Limousine carries markedly more – 625 kg compared to 460 kg. That’s a difference of about 165 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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View detailed analysis

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Audi A6 Limousine

The Audi A6 cuts a clean, purposeful silhouette with an interior that feels like a quiet, high-tech office on wheels—luxurious materials and clever gadgets make long journeys surprisingly pleasant. It balances composed, confident driving with enough flair to keep you entertained, making it a sensible choice for buyers who want executive polish without showing off.

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Reviews Audi A6 Limousine

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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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Costs and Consumption
Price
47,600 - 68,100 £
Price
132,600 - 168,300 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
18.1 - 18.2 kWh/100km
Electric Range
97 - 105 km
Electric Range
686 - 690 km
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
-
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
1,845 - 2,220 kg
Curb weight
2,535 kg
Trunk capacity
354 - 492 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 - 625 kg
Payload
460 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol 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 - 8.2 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
What drivetrain options does the Audi A6 Limousine have?

Available configurations include 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.