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Mercedes C-Class EQ vs Audi A8 comparison

Compare performance (489 HP vs 571 HP), boot space and price (58,000 £ vs 91,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes C-Class EQ or Audi A8?

Mercedes C-Class EQ vs Audi A8: Key differences

Mercedes C-Class EQ

  • substantially cheaper
  • considerably more electric range
  • a bit more trunk space
details

Audi A8

5 (1 Reviews)
rate
  • moderately more power
  • barely quicker 0–100 km/h
  • markedly lighter
details

By Achim Sedelmaier

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

C-Class EQ

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes C-Class EQ is substantially cheaper – starting at 58,000 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 33,333 £.

As for electric range, the Mercedes C-Class EQ offers considerably more range – reaching up to 753 km, about 695 km more than the Audi A8.

A8

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 Audi A8 offers moderately more power – delivering 571 HP compared to 489 HP. That’s roughly 82 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A8 is barely quicker – completing the sprint in 3.8 s, while the Mercedes C-Class EQ takes 4 s. That’s about 0.2 s quicker.

Both models offer the same torque – 800 Nm.

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 A8 is markedly lighter – 2,035 kg compared to 2,460 kg. The difference is around 425 kg.

Looking at boot space, the Mercedes C-Class EQ offers a bit more boot space – 470 L compared to 390 L. That’s a difference of about 80 L.

When it comes to payload, the Audi A8 carries markedly more – 700 kg compared to 505 kg. That’s a difference of about 195 kg.

Who wins the race in the data check?

The Mercedes C-Class EQ holds a decisive overall lead 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 £58,000
C-Class EQ

Mercedes C-Class EQ

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 489 HP
  • Consumption kWh/100km 14.3 - 15.6 kWh/100km
  • Electric Range 706 - 753 km
details

Frequently compared as well

Mercedes C-Class EQ
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

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Reviews Mercedes C-Class EQ

No reviews yet. Share your experience and help others decide.

Audi A8

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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Reviews Audi A8

5 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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Mercedes C-Class EQ
Audi A8

Costs and Consumption
Price
58,000 - 67,600 £
Price
91,400 - 134,900 £
Consumption L/100km
-
Consumption L/100km
4.6 - 11.5 L/100km
Consumption kWh/100km
14.3 - 15.6 kWh/100km
Consumption kWh/100km
-
Electric Range
706 - 753 km
Electric Range
58 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
105 - 260 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,460 kg
Curb weight
2,035 - 2,415 kg
Trunk capacity
470 L
Trunk capacity
390 L
Length
-
Length
-
Width
1,892 mm
Width
1,945 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
505 kg
Payload
525 - 700 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
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
489 HP
Power HP
286 - 571 HP
Acceleration 0-100km/h
4 s
Acceleration 0-100km/h
3.8 - 5.9 s
Max Speed
-
Max Speed
-
Torque
800 Nm
Torque
500 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
360 kW
Power kW
210 - 420 kW
Engine capacity
-
Engine capacity
2,967 - 3,996 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
G, C
Brand
Mercedes-Benz
Brand
Audi
Is the Mercedes C-Class EQ offered with different drivetrains?

Available configurations include 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.