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Audi A6 e-tron Avant vs Mercedes C Class Wagon comparison

Compare performance (551 HP vs 680 HP), boot space and price (55,200 £ vs 42,600 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Avant or Mercedes C Class Wagon?

Audi A6 e-tron Avant vs Mercedes C Class Wagon: Key differences

Audi A6 e-tron Avant

3.4 (3 Reviews)
rate
  • clearly more electric range
  • marginally more trunk space

Mercedes C Class Wagon

  • visibly cheaper
  • slightly more power
  • moderately quicker 0–100 km/h
  • visibly lighter

By Achim Sedelmaier

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

A6 e-tron Avant

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes C Class Wagon is visibly cheaper – starting at 42,600 £ , while the Audi A6 e-tron Avant costs 55,200 £ . That’s a price difference of around 12,642 £.

As for electric range, the Audi A6 e-tron Avant offers clearly more range – reaching up to 716 km, about 604 km more than the Mercedes C Class Wagon.

C Class Wagon

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 C Class Wagon offers slightly more power – delivering 680 HP compared to 551 HP. That’s roughly 129 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Wagon is moderately quicker – completing the sprint in 3.4 s, while the Audi A6 e-tron Avant takes 3.9 s. That’s about 0.5 s quicker.

Looking at top speed, the Mercedes C Class Wagon is moderately faster – reaching 280 km/h, while the Audi A6 e-tron Avant tops out at 240 km/h. The difference is around 40 km/h.

There’s also a difference in torque: the Mercedes C Class Wagon delivers somewhat more torque with 1,020 Nm compared to 855 Nm. That’s about 165 Nm more.

A6 e-tron Avant

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes C Class Wagon is visibly lighter – 1,755 kg compared to 2,185 kg. The difference is around 430 kg.

Looking at boot space, the Audi A6 e-tron Avant offers marginally more boot space – 502 L compared to 490 L. That’s a difference of about 12 L.

For maximum load capacity, the Audi A6 e-tron Avant offers barely more capacity – up to 1,422 L, about 47 L more than the Mercedes C Class Wagon.

When it comes to payload, the Mercedes C Class Wagon carries somewhat 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 Avant is far 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 £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
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews Audi A6 e-tron Avant

3.4 (3 Reviews)
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Mercedes C Class Wagon

The Mercedes C-Class wagon dresses Mercedes refinement in a sensible, practical package, marrying a sleek estate silhouette with a plush, high-quality cabin that feels more premium than its badge implies. It quietly soaks up motorway miles and cartloads of family kit with composed handling and effortless comfort — a clever alternative to an SUV for buyers who still like to steer.

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Reviews Mercedes C Class Wagon

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Audi A6 e-tron Avant
Mercedes C Class Wagon

Costs and Consumption
Price
55,200 - 100,100 £
Price
42,600 - 104,400 £
Consumption L/100km
-
Consumption L/100km
0.4 - 9 L/100km
Consumption kWh/100km
14.8 - 17 kWh/100km
Consumption kWh/100km
-
Electric Range
539 - 716 km
Electric Range
11 - 112 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
19.5 kWh
co2
0 g/km
co2
11 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
50 - 60 L

Dimensions and Body
Body Type
Estate
Body Type
Estate
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2,185 - 2,410 kg
Curb weight
1,755 - 2,235 kg
Trunk capacity
502 L
Trunk capacity
360 - 490 L
Length
4,928 mm
Length
4,751 - 4,842 mm
Width
1,923 mm
Width
1,820 - 1,900 mm
Height
1,504 - 1,527 mm
Height
1,454 - 1,474 mm
Max trunk capacity
1,422 L
Max trunk capacity
1,375 L
Payload
470 - 500 kg
Payload
440 - 565 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
326 - 551 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
3.4 - 8.8 s
Max Speed
210 - 240 km/h
Max Speed
232 - 280 km/h
Torque
435 - 855 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
240 - 405 kW
Power kW
137 - 500 kW
Engine capacity
-
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2,024
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, G, B, D
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi A6 e-tron Avant have?

The Audi A6 e-tron Avant 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.