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Audi A6 Limousine vs Mercedes AMG GT comparison

Compare performance (367 HP vs 816 HP), boot space and price (47,600 £ vs 102,500 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or Mercedes AMG GT?

Audi A6 Limousine vs Mercedes AMG GT: Key differences

Audi A6 Limousine

  • considerably cheaper
  • substantially more efficient
  • substantially more electric range
  • clearly more trunk space
details

Mercedes AMG GT

  • significantly more power
  • substantially quicker 0–100 km/h
  • barely lighter
details

By Achim Sedelmaier

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

A6 Limousine

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 A6 Limousine is considerably cheaper – starting at 47,600 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 54,933 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is substantially more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 8.1 L/100km.

As for electric range, the Audi A6 Limousine offers substantially more range – reaching up to 105 km, about 94 km more than the Mercedes AMG GT.

AMG GT

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 offers significantly more power – delivering 816 HP compared to 367 HP. That’s roughly 449 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT is substantially quicker – completing the sprint in 2.8 s, while the Audi A6 Limousine takes 4.7 s. That’s about 1.9 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers clearly more torque with 1,420 Nm compared to 580 Nm. That’s about 840 Nm more.

A6 Limousine

Space and Everyday Use:

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

Seats: Audi A6 Limousine offers more seats – 5 vs 2.

In terms of curb weight, Mercedes AMG GT is barely lighter – 1,790 kg compared to 1,845 kg. The difference is around 55 kg.

Looking at boot space, the Audi A6 Limousine offers clearly more boot space – 492 L compared to 321 L. That’s a difference of about 171 L.

When it comes to payload, the Audi A6 Limousine carries substantially more – 625 kg compared to 215 kg. That’s a difference of about 410 kg.

Who wins the race in the data check?

The Audi A6 Limousine 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 £47,600
A6 Limousine

Audi A6 Limousine

  • Engine Type Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 367 HP
  • Consumption L/100km 2.2 - 7.3 L/100km
  • Electric Range 97 - 105 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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Reviews Mercedes AMG GT

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Mercedes AMG GT

Costs and Consumption
Price
47,600 - 68,100 £
Price
102,500 - 194,400 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
10.3 - 14 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
97 - 105 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
235 - 319 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,845 - 2,220 kg
Curb weight
1,790 - 2,195 kg
Trunk capacity
354 - 492 L
Trunk capacity
182 - 321 L
Length
-
Length
-
Width
1,875 mm
Width
1,929 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 625 kg
Payload
170 - 215 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 367 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
4.7 - 8.2 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 8
Power kW
150 - 270 kW
Power kW
320 - 600 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
G
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.