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Audi A6 e-tron Avant vs Mercedes C Class Wagon - Differences and prices compared

Compare performance (551 HP vs 680 HP), boot space and price (55200 £ vs 42400 £ ) 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

3 (2 Reviews)
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Mercedes C Class Wagon

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.

Mercedes C Class Wagon has a distinct advantage in terms of price – it starts at 42400 £ , while the Audi A6 e-tron Avant costs 55200 £ . That’s a price difference of around 12800 £.

As for electric range, the Audi A6 e-tron Avant performs significantly better – achieving up to 716 km, about 604 km more than the Mercedes C Class Wagon.

C Class Wagon

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes C Class Wagon has a slightly edge – offering 680 HP compared to 551 HP. That’s roughly 129 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes C Class Wagon is to a small extent quicker – completing the sprint in 3.40 s, while the Audi A6 e-tron Avant takes 3.90 s. That’s about 0.50 s faster.

In terms of top speed, the Mercedes C Class Wagon performs a bit better – 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: Mercedes C Class Wagon pulls somewhat stronger with 1020 Nm compared to 855 Nm. That’s about 165 Nm difference.

A6 e-tron Avant

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 curb weight, Mercedes C Class Wagon is noticeable lighter – 1755 kg compared to 2185 kg. The difference is around 430 kg.

In terms of boot space, the Audi A6 e-tron Avant offers minimal more room – 502 L compared to 490 L. That’s a difference of about 12 L.

In maximum load capacity, the Mercedes C Class Wagon performs slight better – up to 1510 L, which is about 88 L more than the Audi A6 e-tron Avant.

When it comes to payload, Mercedes C Class Wagon to a small extent takes the win – 565 kg compared to 500 kg. That’s a difference of about 65 kg.

Who comes out on top?

Overall, the Audi A6 e-tron Avant shows itself to be wins the duel decisively and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £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
  • Electric Range : 539 - 716 km
Audi A6 e-tron Avant
Mercedes C Class Wagon

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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Audi A6 e-tron Avant

3 (2 Reviews)
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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 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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Audi A6 e-tron Avant
Mercedes C Class Wagon

Costs and Consumption

Price
55200 - 100100 £
Price
42400 - 115300 £
Consumption L/100km
-
Consumption L/100km
0.4 - 9 L
Consumption kWh/100km
14.8 - 17 kWh
Consumption kWh/100km
-
Electric Range
539 - 716 km
Electric Range
11 - 112 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
19.50 kWh
co2
0 g/km
co2
11 - 206 g/km
Fuel tank capacity
-
Fuel tank capacity
40 - 66 L

Dimensions and Body

Body Type
Estate
Body Type
Estate
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2185 - 2410 kg
Curb weight
1755 - 2235 kg
Trunk capacity
502 L
Trunk capacity
360 - 490 L
Length
4928 mm
Length
4751 - 4842 mm
Width
1923 mm
Width
1820 - 1900 mm
Height
1504 - 1527 mm
Height
1454 - 1494 mm
Max trunk capacity
1422 L
Max trunk capacity
1375 - 1510 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
226 - 280 km/h
Torque
435 - 855 Nm
Torque
250 - 1020 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
240 - 405 kW
Power kW
137 - 500 kW
Engine capacity
-
Engine capacity
1496 - 1999 cm3

General

Model Year
2024
Model Year
2024 - 2025
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.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.