Compare performance (551 HP vs 489 HP), boot space and price (55,200 £ vs 58,000 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Avant or Mercedes C Class EQ?
Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.
Audi A6 e-tron Avant is very slightly cheaper – starting at 55,200 £ , while the Mercedes C Class EQ costs 58,000 £ . That’s a price difference of around 2,796 £.
In terms of energy consumption, the Mercedes C Class EQ is very slightly more efficient: consuming 14.3 kWh/100km compared to 14.8 kWh/100km for the Audi A6 e-tron Avant. That’s a difference of about 0.5 kWh/100km.
As for electric range, the Mercedes C Class EQ offers barely more range – reaching up to 753 km, about 37 km more than the Audi A6 e-tron Avant.
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 Audi A6 e-tron Avant 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 Avant is barely 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 Avant delivers barely more torque with 855 Nm compared to 800 Nm. That’s about 55 Nm more.
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, Audi A6 e-tron Avant is a bit lighter – 2,185 kg compared to 2,460 kg. The difference is around 275 kg.
Looking at boot space, the Audi A6 e-tron Avant 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 very slightly more – 505 kg compared to 500 kg. That’s a difference of about 5 kg.
The Audi A6 e-tron Avant leads convincingly 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.
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.
detailsThe 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.
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Costs and Consumption |
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Price
55,200 - 100,100 £
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Price
58,000 - 67,600 £
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Consumption L/100km
-
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Consumption L/100km
-
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Consumption kWh/100km
14.8 - 17 kWh/100km
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Consumption kWh/100km
14.3 - 15.6 kWh/100km
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Electric Range
539 - 716 km
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Electric Range
706 - 753 km
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Battery Capacity
75.8 - 94.9 kWh
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Battery Capacity
-
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co2
0 g/km
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co2
0 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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Body Type
Estate
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Body Type
Sedan
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Seats
5
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Seats
5
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Doors
5
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Doors
-
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Curb weight
2,185 - 2,410 kg
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Curb weight
2,460 kg
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Trunk capacity
502 L
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Trunk capacity
470 L
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Length
4,928 mm
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Length
-
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Width
1,923 mm
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Width
1,892 mm
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Height
1,504 - 1,527 mm
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Height
-
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Max trunk capacity
1,422 L
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Max trunk capacity
-
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Payload
470 - 500 kg
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Payload
505 kg
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Engine and Performance |
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Engine Type
Electric
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Engine Type
Electric
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Reduction Gearbox
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Transmission Detail
Reduction Gearbox
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Drive Type
Rear-Wheel Drive, All-Wheel Drive
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Drive Type
All-Wheel Drive
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Power HP
326 - 551 HP
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Power HP
489 HP
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Acceleration 0-100km/h
3.9 - 6 s
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Acceleration 0-100km/h
4 s
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Max Speed
210 - 240 km/h
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Max Speed
-
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Torque
435 - 855 Nm
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Torque
800 Nm
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Number of Cylinders
-
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Number of Cylinders
-
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Power kW
240 - 405 kW
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Power kW
360 kW
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Engine capacity
-
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Engine capacity
-
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General |
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Model Year
2024
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Model Year
2026
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CO2 Efficiency Class
A
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CO2 Efficiency Class
A
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Brand
Audi
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Brand
Mercedes-Benz
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