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Audi Q6 e-tron vs Mercedes S-Class comparison

Compare performance (490 HP vs 635 HP), boot space and price (54,400 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – Audi Q6 e-tron or Mercedes S-Class?

Audi Q6 e-tron vs Mercedes S-Class: Key differences

Audi Q6 e-tron

4.6 (4 Reviews)
rate
  • substantially cheaper
  • clearly more electric range
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Mercedes S-Class

  • clearly more power
  • somewhat quicker 0–100 km/h
  • marginally lighter
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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

Q6 e-tron

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Audi Q6 e-tron is substantially cheaper – starting at 54,400 £ , while the Mercedes S-Class costs 104,000 £ . That’s a price difference of around 49,591 £.

As for electric range, the Audi Q6 e-tron offers clearly more range – reaching up to 668 km, about 550 km more than the Mercedes S-Class.

S-Class

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 S-Class offers clearly more power – delivering 635 HP compared to 490 HP. That’s roughly 145 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S-Class is somewhat quicker – completing the sprint in 4 s, while the Audi Q6 e-tron takes 4.4 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Audi Q6 e-tron delivers barely more torque with 855 Nm compared to 850 Nm. That’s about 5 Nm more.

Q6 e-tron

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, Mercedes S-Class is marginally lighter – 2,165 kg compared to 2,200 kg. The difference is around 35 kg.

When it comes to payload, the Mercedes S-Class carries moderately more – 660 kg compared to 540 kg. That’s a difference of about 120 kg.

Who wins the race in the data check?

The Audi Q6 e-tron is decisively 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 £54,400
Q6 e-tron

Audi Q6 e-tron

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 252 - 490 HP
  • Consumption kWh/100km : 15.4 - 18.4 kWh/100km
  • Electric Range : 535 - 668 km
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Frequently compared as well

Audi Q6 e-tron
Volvo EX60
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Audi Q6 e-tron
Mercedes S-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi Q6 e-tron

The Audi Q6 e-tron combines Audi's premium design and refined interior with a modern electric drivetrain that delivers effortless, quiet acceleration. It feels spacious and tech-forward, making it a comfortable and confident choice for buyers who want an upscale electric SUV for daily driving and longer trips.

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Reviews Audi Q6 e-tron

4.6 (4 Reviews)
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Monika
6 Nov 2025, 16:29:37

A slightly inflated price relative to the equipment included in this car.

Bula
11 Oct 2025, 08:59:08

Comfortable, but feels a bit firmer (over small bumps) than the Q5. You can tell the car has some heft!! The electric power — 388 PS / 285 kW BEV — is incredible. The battery drops pretty quickly if you push the beast a little. The advertised 600 km range is generous on paper; expect more like 500, or even 450 in winter. The onboard technology is surprising and pushed to the extreme. After trying it, it's hard to go back to a non-electric model.

Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Reviews Mercedes S-Class

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

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Audi Q6 e-tron
Mercedes S-Class

Costs and Consumption
Price
54,400 - 82,500 £
Price
104,000 - 201,400 £
Consumption L/100km
-
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
15.4 - 18.4 kWh/100km
Consumption kWh/100km
-
Electric Range
535 - 668 km
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
50 - 252 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,200 - 2,425 kg
Curb weight
2,165 - 2,650 kg
Trunk capacity
499 - 526 L
Trunk capacity
-
Length
-
Length
-
Width
1,939 - 1,965 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
540 kg
Payload
420 - 660 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
252 - 490 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
4.4 - 7.6 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
450 - 855 Nm
Torque
560 - 850 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
185 - 360 kW
Power kW
247 - 467 kW
Engine capacity
-
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,024 - 2,025
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, B, F
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi Q6 e-tron?

The Audi Q6 e-tron is offered with 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.