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Audi A6 e-tron Sportback vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (551 HP vs 843 HP), boot space and price (53,800 £ vs 97,200 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or Mercedes AMG GT 4-Door Coupé?

Audi A6 e-tron Sportback vs Mercedes AMG GT 4-Door Coupé: Key differences

Audi A6 e-tron Sportback

4.6 (2 Reviews)
rate
  • significantly cheaper
  • significantly more electric range
  • very slightly more trunk space
details

Mercedes AMG GT 4-Door Coupé

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

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

A6 e-tron Sportback

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Audi A6 e-tron Sportback is significantly cheaper – starting at 53,800 £ , while the Mercedes AMG GT 4-Door Coupé costs 97,200 £ . That’s a price difference of around 43,383 £.

As for electric range, the Audi A6 e-tron Sportback offers significantly more range – reaching up to 754 km, about 743 km more than the Mercedes AMG GT 4-Door Coupé.

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 noticeably more power – delivering 843 HP compared to 551 HP. That’s roughly 292 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is visibly quicker – completing the sprint in 2.9 s, while the Audi A6 e-tron Sportback takes 3.9 s. That’s about 1 s quicker.

Looking at top speed, the Mercedes AMG GT 4-Door Coupé is markedly faster – reaching 316 km/h, while the Audi A6 e-tron Sportback tops out at 240 km/h. The difference is around 76 km/h.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers considerably more torque with 1,470 Nm compared to 855 Nm. That’s about 615 Nm more.

A6 e-tron Sportback

Space and Everyday Use:

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

Seats: Audi A6 e-tron Sportback 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 A6 e-tron Sportback offers very slightly more boot space – 502 L compared to 461 L. That’s a difference of about 41 L.

When it comes to payload, the Mercedes AMG GT 4-Door Coupé carries marginally more – 510 kg compared to 500 kg. That’s a difference of about 10 kg.

Who wins the race in the data check?

The Audi A6 e-tron Sportback 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 £53,800
A6 e-tron Sportback

Audi A6 e-tron Sportback

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 326 - 551 HP
  • Consumption kWh/100km : 13.7 - 16.3 kWh/100km
  • Electric Range : 572 - 754 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 e-tron Sportback

The Audi A6 e-tron Sportback wraps futuristic electric technology in elegant, coupe-like proportions, so you arrive looking sharp without shouting for attention. Inside, refined materials and a calm, driver-focused layout make it a convincing choice for buyers who want quiet, effortless performance with a dash of everyday practicality — the kind of car that raises eyebrows without saying a word.

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A244494_medium
A244492_medium
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Reviews Audi A6 e-tron Sportback

4.6 (2 Reviews)
rate
Mark
9 May 2026, 14:15:42

Audi much better quality than Tesla

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Michael
7 May 2026, 12:09:31

Wonderful car very confortable and smooth driving

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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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22C0220_007
22C0220_008
22C0136_006
22C0135_050
22C0179_004

Reviews Mercedes AMG GT 4-Door Coupé

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Mercedes AMG GT 4-Door Coupé

Costs and Consumption
Price
53,800 - 98,700 £
Price
97,200 - 182,100 £
Consumption L/100km
-
Consumption L/100km
9.5 - 12.7 L/100km
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Consumption kWh/100km
-
Electric Range
572 - 754 km
Electric Range
11 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
215 - 287 g/km
Fuel tank capacity
-
Fuel tank capacity
73 - 80 L

Dimensions and Body
Body Type
Hatchback
Body Type
Coupe
Seats
5
Seats
4
Doors
5
Doors
5
Curb weight
2,175 - 2,400 kg
Curb weight
2,040 - 2,380 kg
Trunk capacity
502 L
Trunk capacity
335 - 461 L
Length
4,928 mm
Length
5,054 mm
Width
1,923 mm
Width
1,953 mm
Height
1,465 - 1,487 mm
Height
1,447 - 1,455 mm
Max trunk capacity
1,330 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
380 - 510 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
326 - 551 HP
Power HP
389 - 843 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
210 - 240 km/h
Max Speed
270 - 316 km/h
Torque
435 - 855 Nm
Torque
500 - 1,470 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
240 - 405 kW
Power kW
286 - 620 kW
Engine capacity
-
Engine capacity
2,999 - 3,982 cm3

General
Model Year
2024
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Audi
Brand
Mercedes-Benz
Is the Audi A6 e-tron Sportback offered with different drivetrains?

The Audi A6 e-tron Sportback is available as Rear-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.