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Audi A8 vs Mercedes C-Class EQ comparison

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

Audi A8 vs Mercedes C-Class EQ: Key differences

Audi A8

5 (1 Reviews)
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  • somewhat more power
  • marginally quicker 0–100 km/h
  • clearly lighter
details

Mercedes C-Class EQ

  • substantially cheaper
  • considerably more electric range
  • slightly more trunk space
details

By Achim Sedelmaier

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

A8

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

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.

C-Class EQ

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 A8 offers somewhat 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 marginally 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.

A8

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A8 is clearly 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 slightly 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 is decisively ahead 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
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

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

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Mercedes C-Class EQ

Costs and Consumption
Price
91,400 - 134,900 £
Price
58,000 - 67,600 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.3 - 15.6 kWh/100km
Electric Range
58 km
Electric Range
706 - 753 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
0 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
2,035 - 2,415 kg
Curb weight
2,460 kg
Trunk capacity
390 L
Trunk capacity
470 L
Length
-
Length
-
Width
1,945 mm
Width
1,892 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
505 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
286 - 571 HP
Power HP
489 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
4 s
Max Speed
-
Max Speed
-
Torque
500 - 800 Nm
Torque
800 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
210 - 420 kW
Power kW
360 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
G, C
CO2 Efficiency Class
A
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi A8?

The Audi A8 is available as 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.