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Audi A6 e-tron Sportback vs Mercedes EQS comparison

Compare performance (551 HP vs 544 HP), boot space and price (53,800 £ vs 93,900 £ ) 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

  • clearly cheaper
  • only slightly more power
  • clearly more efficient
  • a bit quicker 0–100 km/h
  • slightly lighter
details

Mercedes EQS

  • very slightly more electric range
  • moderately more trunk space
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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 clearly cheaper – starting at 53,800 £ , while the Mercedes EQS costs 93,900 £ . That’s a price difference of around 40,072 £.

In terms of energy consumption, the Audi A6 e-tron Sportback is clearly more efficient: consuming 13.7 kWh/100km compared to 16.5 kWh/100km for the Mercedes EQS. That’s a difference of about 2.8 kWh/100km.

As for electric range, the Mercedes EQS offers very slightly more range – reaching up to 816 km, about 62 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 Audi A6 e-tron Sportback offers only slightly more power – delivering 551 HP compared to 544 HP. That’s roughly 7 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Sportback is a bit quicker – completing the sprint in 3.9 s, while the Mercedes EQS takes 4.4 s. That’s about 0.5 s quicker.

Looking at top speed, the Audi A6 e-tron Sportback is slightly faster – reaching 240 km/h, while the Mercedes EQS tops out at 210 km/h. The difference is around 30 km/h.

There’s also a difference in torque: the Mercedes EQS delivers barely more torque with 858 Nm compared to 855 Nm. That’s about 3 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 2,545 kg. The difference is around 370 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.

For maximum load capacity, the Mercedes EQS offers visibly more capacity – up to 1,770 L, about 440 L more than the Audi A6 e-tron Sportback.

When it comes to payload, the Mercedes EQS carries slightly more – 565 kg compared to 500 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The Audi A6 e-tron Sportback is clearly 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 £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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View detailed analysis

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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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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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Audi A6 e-tron Sportback
Mercedes EQS

Costs and Consumption
Price
53,800 - 98,700 £
Price
93,900 - 123,500 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Consumption kWh/100km
16.5 - 17.2 kWh/100km
Electric Range
572 - 754 km
Electric Range
790 - 816 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
118 kWh
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
5
Curb weight
2,175 - 2,400 kg
Curb weight
2,545 - 2,655 kg
Trunk capacity
502 L
Trunk capacity
610 L
Length
4,928 mm
Length
5,223 mm
Width
1,923 mm
Width
1,926 mm
Height
1,465 - 1,487 mm
Height
1,512 mm
Max trunk capacity
1,330 L
Max trunk capacity
1,770 L
Payload
470 - 500 kg
Payload
550 - 565 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
All-Wheel Drive, Rear-Wheel Drive
Power HP
326 - 551 HP
Power HP
360 - 544 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
4.4 - 6.2 s
Max Speed
210 - 240 km/h
Max Speed
210 km/h
Torque
435 - 855 Nm
Torque
568 - 858 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
240 - 405 kW
Power kW
265 - 400 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024
Model Year
2024
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.