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Audi A6 e-tron Sportback vs Mercedes EQS comparison

Compare performance (551 HP vs 585 HP), boot space and price (53,800 £ vs 80,900 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or Mercedes EQS?

Audi A6 e-tron Sportback vs Mercedes EQS: Key differences

Audi A6 e-tron Sportback

4.3 (3 Reviews)
rate
  • clearly cheaper
  • somewhat more efficient
  • marginally quicker 0–100 km/h
  • slightly lighter
details

Mercedes EQS

  • only slightly more power
  • a bit more electric range
  • moderately more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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 clearly cheaper – starting at 53,800 £ , while the Mercedes EQS costs 80,900 £ . That’s a price difference of around 27,088 £.

In terms of energy consumption, the Audi A6 e-tron Sportback is somewhat more efficient: consuming 13.7 kWh/100km compared to 15.5 kWh/100km for the Mercedes EQS. That’s a difference of about 1.8 kWh/100km.

As for electric range, the Mercedes EQS offers a bit more range – reaching up to 920 km, about 166 km more than the Audi A6 e-tron Sportback.

EQS

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 EQS offers only slightly more power – delivering 585 HP compared to 551 HP. That’s roughly 34 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Sportback is marginally quicker – completing the sprint in 3.9 s, while the Mercedes EQS takes 4.1 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Audi A6 e-tron Sportback delivers barely more torque with 855 Nm compared to 800 Nm. That’s about 55 Nm more.

A6 e-tron Sportback

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A6 e-tron Sportback is slightly lighter – 2,175 kg compared to 2,550 kg. The difference is around 375 kg.

Looking at boot space, the Mercedes EQS offers moderately more boot space – 610 L compared to 502 L. That’s a difference of about 108 L.

When it comes to payload, the Mercedes EQS carries slightly more – 570 kg compared to 500 kg. That’s a difference of about 70 kg.

Who wins the race in the data check?

The Audi A6 e-tron Sportback comes out modestly ahead 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
details

Frequently compared as well

Audi A6 e-tron Sportback
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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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Reviews Audi A6 e-tron Sportback

4.3 (3 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 EQS

The Mercedes EQS is a silent, spaceship-like flagship that turns electric luxury into zen on wheels, wrapped in a swooping design that insists on being admired. Inside it’s all glassy screens and soft-touch surfaces that make long trips feel like first class, and the driving experience is composed and effortless — like a courteous butler with an electric heart.

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Reviews Mercedes EQS

No reviews yet. Share your experience and help others decide.

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Audi A6 e-tron Sportback
Mercedes EQS

Costs and Consumption
Price
53,800 - 98,700 £
Price
80,900 - 117,500 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Consumption kWh/100km
15.5 - 16.3 kWh/100km
Electric Range
572 - 754 km
Electric Range
810 - 920 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,175 - 2,400 kg
Curb weight
2,550 - 2,660 kg
Trunk capacity
502 L
Trunk capacity
610 L
Length
4,928 mm
Length
-
Width
1,923 mm
Width
1,926 mm
Height
1,465 - 1,487 mm
Height
-
Max trunk capacity
1,330 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
545 - 570 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
326 - 551 HP
Power HP
367 - 585 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
4.1 - 6.2 s
Max Speed
210 - 240 km/h
Max Speed
-
Torque
435 - 855 Nm
Torque
505 - 800 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
240 - 405 kW
Power kW
270 - 430 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
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.