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Audi A6 Limousine vs Mercedes EQS comparison

Compare performance (367 HP vs 585 HP), boot space and price (47,600 £ vs 80,900 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or Mercedes EQS?

Audi A6 Limousine vs Mercedes EQS: Key differences

Audi A6 Limousine

  • clearly cheaper
  • clearly lighter
details

Mercedes EQS

  • noticeably more power
  • significantly more electric range
  • moderately quicker 0–100 km/h
  • slightly more trunk space
details

By Achim Sedelmaier

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

A6 Limousine

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 Limousine is clearly cheaper – starting at 47,600 £ , while the Mercedes EQS costs 80,900 £ . That’s a price difference of around 33,345 £.

As for electric range, the Mercedes EQS offers significantly more range – reaching up to 920 km, about 815 km more than the Audi A6 Limousine.

EQS

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes EQS offers noticeably more power – delivering 585 HP compared to 367 HP. That’s roughly 218 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQS is moderately quicker – completing the sprint in 4.1 s, while the Audi A6 Limousine takes 4.7 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Mercedes EQS delivers noticeably more torque with 800 Nm compared to 580 Nm. That’s about 220 Nm more.

A6 Limousine

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 Limousine is clearly lighter – 1,845 kg compared to 2,550 kg. The difference is around 705 kg.

Looking at boot space, the Mercedes EQS offers slightly more boot space – 610 L compared to 492 L. That’s a difference of about 118 L.

When it comes to payload, the Audi A6 Limousine carries marginally more – 625 kg compared to 570 kg. That’s a difference of about 55 kg.

Who wins the race in the data check?

The Mercedes EQS is clearly superior 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 £80,900
EQS

Mercedes EQS

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 367 - 585 HP
  • Consumption kWh/100km : 15.5 - 16.3 kWh/100km
  • Electric Range : 810 - 920 km
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Mercedes EQS

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 Limousine

The Audi A6 cuts a clean, purposeful silhouette with an interior that feels like a quiet, high-tech office on wheels—luxurious materials and clever gadgets make long journeys surprisingly pleasant. It balances composed, confident driving with enough flair to keep you entertained, making it a sensible choice for buyers who want executive polish without showing off.

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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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Audi A6 Limousine
Mercedes EQS

Costs and Consumption
Price
47,600 - 68,100 £
Price
80,900 - 117,500 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.5 - 16.3 kWh/100km
Electric Range
97 - 105 km
Electric Range
810 - 920 km
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,845 - 2,220 kg
Curb weight
2,550 - 2,660 kg
Trunk capacity
354 - 492 L
Trunk capacity
610 L
Length
-
Length
-
Width
1,875 mm
Width
1,926 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 625 kg
Payload
545 - 570 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 367 HP
Power HP
367 - 585 HP
Acceleration 0-100km/h
4.7 - 8.2 s
Acceleration 0-100km/h
4.1 - 6.2 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
505 - 800 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
150 - 270 kW
Power kW
270 - 430 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
A
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi A6 Limousine have?

Available configurations include Front-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.