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Audi Q8 vs Mercedes C-Class EQ comparison

Compare performance (640 HP vs 489 HP), boot space and price (77,300 £ vs 58,000 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Mercedes C-Class EQ?

Audi Q8 vs Mercedes C-Class EQ: Key differences

Audi Q8

4.9 (1 Reviews)
rate
  • noticeably more power
  • slightly quicker 0–100 km/h
  • a bit lighter
  • clearly more trunk space
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Mercedes C-Class EQ

  • markedly cheaper
  • substantially more electric range
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By Achim Sedelmaier

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

Q8

Costs and Efficiency:

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

Mercedes C-Class EQ is markedly cheaper – starting at 58,000 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 19,276 £.

As for electric range, the Mercedes C-Class EQ offers substantially more range – reaching up to 753 km, about 673 km more than the Audi Q8.

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 Q8 offers noticeably more power – delivering 640 HP compared to 489 HP. That’s roughly 151 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 is slightly quicker – completing the sprint in 3.6 s, while the Mercedes C-Class EQ takes 4 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Audi Q8 delivers marginally more torque with 850 Nm compared to 800 Nm. That’s about 50 Nm more.

Q8

Space and Everyday Use:

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 Q8 is a bit lighter – 2,175 kg compared to 2,460 kg. The difference is around 285 kg.

Looking at boot space, the Audi Q8 offers clearly more boot space – 605 L compared to 470 L. That’s a difference of about 135 L.

When it comes to payload, the Audi Q8 carries noticeably more – 665 kg compared to 505 kg. That’s a difference of about 160 kg.

Who wins the race in the data check?

The Mercedes C-Class EQ 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 £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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View detailed analysis

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Audi Q8

The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.

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Reviews Audi Q8

4.9 (1 Reviews)
rate

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
77,300 - 137,100 £
Price
58,000 - 67,600 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.3 - 15.6 kWh/100km
Electric Range
80 km
Electric Range
706 - 753 km
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,175 - 2,490 kg
Curb weight
2,460 kg
Trunk capacity
439 - 605 L
Trunk capacity
470 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,892 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
505 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, 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
231 - 640 HP
Power HP
489 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
4 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
800 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
170 - 471 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, B
CO2 Efficiency Class
A
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi Q8 have?

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.