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Audi A6 e-tron Sportback vs Mercedes C Class Sedan comparison

Compare performance (551 HP vs 680 HP), boot space and price (53,800 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or Mercedes C Class Sedan?

Audi A6 e-tron Sportback vs Mercedes C Class Sedan: Key differences

Audi A6 e-tron Sportback

4.6 (2 Reviews)
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  • considerably more electric range
  • marginally more trunk space
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Mercedes C Class Sedan

  • markedly cheaper
  • somewhat more power
  • a bit quicker 0–100 km/h
  • clearly 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

A6 e-tron Sportback

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 Sedan is markedly cheaper – starting at 41,300 £ , while the Audi A6 e-tron Sportback costs 53,800 £ . That’s a price difference of around 12,503 £.

As for electric range, the Audi A6 e-tron Sportback offers considerably more range – reaching up to 754 km, about 743 km more than the Mercedes C Class Sedan.

C Class Sedan

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 Sedan offers somewhat 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 Sedan is a bit quicker – completing the sprint in 3.4 s, while the Audi A6 e-tron Sportback takes 3.9 s. That’s about 0.5 s quicker.

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

A6 e-tron Sportback

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, Mercedes C Class Sedan is clearly lighter – 1,695 kg compared to 2,175 kg. The difference is around 480 kg.

Looking at boot space, the Audi A6 e-tron Sportback offers marginally more boot space – 502 L compared to 455 L. That’s a difference of about 47 L.

When it comes to payload, the Mercedes C Class Sedan carries moderately 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 Sportback 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 £53,800
A6 e-tron Sportback

Audi A6 e-tron Sportback

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 326 - 551 HP
  • Consumption kWh/100km : 13.7 - 16.3 kWh/100km
  • Electric Range : 572 - 754 km
Audi A6 e-tron Sportback
Mercedes C Class Sedan

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Audi A6 e-tron Sportback

The Audi A6 e-tron Sportback wraps futuristic electric technology in elegant, coupe-like proportions, so you arrive looking sharp without shouting for attention. Inside, refined materials and a calm, driver-focused layout make it a convincing choice for buyers who want quiet, effortless performance with a dash of everyday practicality — the kind of car that raises eyebrows without saying a word.

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Mercedes C Class Sedan

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Audi A6 e-tron Sportback
Mercedes C Class Sedan

Costs and Consumption

Price
53,800 - 98,700 £
Price
41,300 - 103,400 £
Consumption L/100km
-
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Consumption kWh/100km
-
Electric Range
572 - 754 km
Electric Range
11 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,175 - 2,400 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
502 L
Trunk capacity
455 L
Length
4,928 mm
Length
-
Width
1,923 mm
Width
1,820 - 1,900 mm
Height
1,465 - 1,487 mm
Height
-
Max trunk capacity
1,330 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
485 - 570 kg

Engine and Performance

Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
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
183 - 680 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
210 - 240 km/h
Max Speed
-
Torque
435 - 855 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
240 - 405 kW
Power kW
135 - 500 kW
Engine capacity
-
Engine capacity
1,496 - 1,999 cm3

General

Model Year
2024
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, D, G
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.