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Mercedes C-Class EQ vs Audi A6 e-tron Sportback comparison
Compare performance (489 HP vs 551 HP), boot space and price (58,000 £ vs 53,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes C-Class EQ or Audi A6 e-tron Sportback?
Mercedes C-Class EQ vs Audi A6 e-tron Sportback: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
C-Class EQ
Costs and Efficiency:
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Audi A6 e-tron Sportback is barely cheaper – starting at 53,800 £ , while the Mercedes C-Class EQ costs 58,000 £ . That’s a price difference of around 4,210 £.
In terms of energy consumption, the Audi A6 e-tron Sportback is very slightly more efficient: consuming 13.7 kWh/100km compared to 14.3 kWh/100km for the Mercedes C-Class EQ. That’s a difference of about 0.6 kWh/100km.
As for electric range, the Audi A6 e-tron Sportback offers barely more range – reaching up to 754 km, about 1 km more than the Mercedes C-Class EQ.
A6 e-tron Sportback
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 Audi A6 e-tron Sportback offers somewhat more power – delivering 551 HP compared to 489 HP. That’s roughly 62 HP more horsepower.
When accelerating from 0 to 100 km/h, the Audi A6 e-tron Sportback is very slightly quicker – completing the sprint in 3.9 s, while the Mercedes C-Class EQ takes 4 s. That’s about 0.1 s quicker.
There’s also a difference in torque: the Audi A6 e-tron Sportback delivers very slightly more torque with 855 Nm compared to 800 Nm. That’s about 55 Nm more.
C-Class EQ
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 e-tron Sportback is a bit lighter – 2,175 kg compared to 2,460 kg. The difference is around 285 kg.
Looking at boot space, the Audi A6 e-tron Sportback offers barely more boot space – 502 L compared to 470 L. That’s a difference of about 32 L.
When it comes to payload, the Mercedes C-Class EQ carries barely more – 505 kg compared to 500 kg. That’s a difference of about 5 kg.
Who wins the race in the data check?
The Audi A6 e-tron Sportback stands well ahead of its rival 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
Audi A6 e-tron Sportback
Mercedes C-Class EQ
Audi A6 e-tron Sportback
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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Mercedes C-Class EQ
The Mercedes C‑Class EQ blends the familiar poise and luxury of the C‑Class with Mercedes' EQ electric ethos, delivering a quietly refined and modern driving experience. Inside, it pairs upscale materials and tech-forward touches with a composed ride that suits both city commuting and longer journeys.
details
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.
details
Mercedes C-Class EQ
Audi A6 e-tron Sportback
Costs and Consumption |
|
|---|---|
|
Price
58,000 - 67,600 £
|
Price
53,800 - 98,700 £
|
|
Consumption L/100km
-
|
Consumption L/100km
-
|
|
Consumption kWh/100km
14.3 - 15.6 kWh/100km
|
Consumption kWh/100km
13.7 - 16.3 kWh/100km
|
|
Electric Range
706 - 753 km
|
Electric Range
572 - 754 km
|
|
Battery Capacity
-
|
Battery Capacity
75.8 - 94.9 kWh
|
|
co2
0 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
5
|
|
Curb weight
2,460 kg
|
Curb weight
2,175 - 2,400 kg
|
|
Trunk capacity
470 L
|
Trunk capacity
502 L
|
|
Length
-
|
Length
4,928 mm
|
|
Width
1,892 mm
|
Width
1,923 mm
|
|
Height
-
|
Height
1,465 - 1,487 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
1,330 L
|
|
Payload
505 kg
|
Payload
470 - 500 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Electric
|
Engine Type
Electric
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Reduction Gearbox
|
Transmission Detail
Reduction Gearbox
|
|
Drive Type
All-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
489 HP
|
Power HP
326 - 551 HP
|
|
Acceleration 0-100km/h
4 s
|
Acceleration 0-100km/h
3.9 - 6 s
|
|
Max Speed
-
|
Max Speed
210 - 240 km/h
|
|
Torque
800 Nm
|
Torque
435 - 855 Nm
|
|
Number of Cylinders
-
|
Number of Cylinders
-
|
|
Power kW
360 kW
|
Power kW
240 - 405 kW
|
|
Engine capacity
-
|
Engine capacity
-
|
General |
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|---|---|
|
Model Year
2026
|
Model Year
2024
|
|
CO2 Efficiency Class
A
|
CO2 Efficiency Class
A
|
|
Brand
Mercedes-Benz
|
Brand
Audi
|
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.