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Audi A6 e-tron Avant vs Mercedes EQS SUV comparison

Compare performance (551 HP vs 658 HP), boot space and price (55,200 £ vs 95,000 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Avant or Mercedes EQS SUV?

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

Audi A6 e-tron Avant

3.4 (3 Reviews)
rate
  • substantially cheaper
  • visibly more efficient
  • barely more electric range
  • slightly quicker 0–100 km/h
  • markedly lighter
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Mercedes EQS SUV

  • moderately more power
  • markedly more trunk space
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By Achim Sedelmaier

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

A6 e-tron Avant

Costs and Efficiency:

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

Audi A6 e-tron Avant is substantially cheaper – starting at 55,200 £ , while the Mercedes EQS SUV costs 95,000 £ . That’s a price difference of around 39,730 £.

In terms of energy consumption, the Audi A6 e-tron Avant is visibly more efficient: consuming 14.8 kWh/100km compared to 19.6 kWh/100km for the Mercedes EQS SUV. That’s a difference of about 4.8 kWh/100km.

As for electric range, the Audi A6 e-tron Avant offers barely more range – reaching up to 716 km, about 21 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 Avant 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 Avant 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 barely more torque with 950 Nm compared to 855 Nm. That’s about 95 Nm more.

A6 e-tron Avant

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 Avant is markedly lighter – 2,185 kg compared to 2,695 kg. The difference is around 510 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 clearly more capacity – up to 2,100 L, about 678 L more than the Audi A6 e-tron Avant.

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 Avant shows a few small advantages 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 £55,200
A6 e-tron Avant

Audi A6 e-tron Avant

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 326 - 551 HP
  • Consumption kWh/100km 14.8 - 17 kWh/100km
  • Electric Range 539 - 716 km
Audi A6 e-tron Avant
Mercedes EQS SUV

Costs and Consumption

View detailed analysis

Engine and Performance

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Dimensions and Body

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Audi A6 e-tron Avant

The Audi A6 e-tron Avant wraps Audi's trademark refinement into a sleek electric estate that looks at home in the city or on the open road. Inside it's grown-up and tech-forward with practical packaging for family life, delivering a composed, confident drive that makes everyday hauling feel a bit more special and slightly futuristic.

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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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Audi A6 e-tron Avant
Mercedes EQS SUV

Costs and Consumption

Price
55,200 - 100,100 £
Price
95,000 - 212,100 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.8 - 17 kWh/100km
Consumption kWh/100km
19.6 - 21.9 kWh/100km
Electric Range
539 - 716 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
Estate
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
5
Doors
5
Curb weight
2,185 - 2,410 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
1,504 - 1,527 mm
Height
1,718 - 1,721 mm
Max trunk capacity
1,422 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
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.