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Audi A6 e-tron Sportback vs Mercedes EQS SUV comparison

Compare performance (551 HP vs 658 HP), boot space and price (53,800 £ vs 95,000 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or Mercedes EQS SUV?

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

Audi A6 e-tron Sportback

4.6 (2 Reviews)
rate
  • clearly cheaper
  • significantly more efficient
  • barely more electric range
  • slightly quicker 0–100 km/h
  • markedly lighter
details

Mercedes EQS SUV

  • moderately more power
  • markedly 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.

By Achim Sedelmaier

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

A6 e-tron Sportback

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi A6 e-tron Sportback is clearly cheaper – starting at 53,800 £ , while the Mercedes EQS SUV costs 95,000 £ . That’s a price difference of around 41,144 £.

In terms of energy consumption, the Audi A6 e-tron Sportback is significantly more efficient: consuming 13.7 kWh/100km compared to 19.6 kWh/100km for the Mercedes EQS SUV. That’s a difference of about 5.9 kWh/100km.

As for electric range, the Audi A6 e-tron Sportback offers barely more range – reaching up to 754 km, about 59 km more than the Mercedes EQS SUV.

EQS SUV

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 SUV offers moderately more power – delivering 658 HP compared to 551 HP. That’s roughly 107 HP more horsepower.

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

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

There’s also a difference in torque: the Mercedes EQS SUV delivers very slightly more torque with 950 Nm compared to 855 Nm. That’s about 95 Nm more.

A6 e-tron Sportback

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A6 e-tron Sportback is markedly lighter – 2,175 kg compared to 2,695 kg. The difference is around 520 kg.

Looking at boot space, the Mercedes EQS SUV offers markedly more boot space – 645 L compared to 502 L. That’s a difference of about 143 L.

For maximum load capacity, the Mercedes EQS SUV offers visibly more capacity – up to 2,100 L, about 770 L more than the Audi A6 e-tron Sportback.

When it comes to payload, the Mercedes EQS SUV carries a bit 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 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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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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

4.6 (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 EQS SUV

The Mercedes EQS SUV blends limousine-level quiet and luxury with the commanding presence of an SUV, wrapping passengers in sumptuous materials and a futuristic, screen-dominated cabin. It drives with serene confidence and delivers the kind of effortless refinement that makes city commutes and long trips feel like first-class experiences — just be prepared for attention wherever you park it.

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Reviews Mercedes EQS SUV

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Audi A6 e-tron Sportback
Mercedes EQS SUV

Costs and Consumption
Price
53,800 - 98,700 £
Price
95,000 - 212,100 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Consumption kWh/100km
19.6 - 21.9 kWh/100km
Electric Range
572 - 754 km
Electric Range
615 - 695 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
108.4 - 118 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
5
Doors
5
Curb weight
2,175 - 2,400 kg
Curb weight
2,695 - 3,075 kg
Trunk capacity
502 L
Trunk capacity
440 - 645 L
Length
4,928 mm
Length
5,125 mm
Width
1,923 mm
Width
1,959 - 2,034 mm
Height
1,465 - 1,487 mm
Height
1,718 - 1,721 mm
Max trunk capacity
1,330 L
Max trunk capacity
2,100 L
Payload
470 - 500 kg
Payload
425 - 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
All-Wheel Drive, Rear-Wheel Drive
Power HP
326 - 551 HP
Power HP
360 - 658 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
4.4 - 6.8 s
Max Speed
210 - 240 km/h
Max Speed
210 km/h
Torque
435 - 855 Nm
Torque
568 - 950 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
240 - 405 kW
Power kW
265 - 484 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.