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Audi Q8 e-tron vs Mercedes C-Class EQ comparison

Compare performance (503 HP vs 489 HP), boot space and price (65,100 £ vs 58,000 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 e-tron or Mercedes C-Class EQ?

Audi Q8 e-tron vs Mercedes C-Class EQ: Key differences

Audi Q8 e-tron

  • barely more power
  • slightly more trunk space
details

Mercedes C-Class EQ

  • somewhat cheaper
  • markedly more efficient
  • markedly more electric range
  • moderately quicker 0–100 km/h
  • only slightly lighter
details

By Achim Sedelmaier

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

Q8 e-tron

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes C-Class EQ is somewhat cheaper – starting at 58,000 £ , while the Audi Q8 e-tron costs 65,100 £ . That’s a price difference of around 7,019 £.

In terms of energy consumption, the Mercedes C-Class EQ is markedly more efficient: consuming 14.3 kWh/100km compared to 19.7 kWh/100km for the Audi Q8 e-tron. That’s a difference of about 5.4 kWh/100km.

As for electric range, the Mercedes C-Class EQ offers markedly more range – reaching up to 753 km, about 158 km more than the Audi Q8 e-tron.

C-Class EQ

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi Q8 e-tron offers barely more power – delivering 503 HP compared to 489 HP. That’s roughly 14 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C-Class EQ is moderately quicker – completing the sprint in 4 s, while the Audi Q8 e-tron takes 4.5 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Audi Q8 e-tron delivers moderately more torque with 973 Nm compared to 800 Nm. That’s about 173 Nm more.

Q8 e-tron

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, Mercedes C-Class EQ is only slightly lighter – 2,460 kg compared to 2,585 kg. The difference is around 125 kg.

Looking at boot space, the Audi Q8 e-tron offers slightly more boot space – 569 L compared to 470 L. That’s a difference of about 99 L.

When it comes to payload, the Audi Q8 e-tron carries slightly more – 595 kg compared to 505 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The Mercedes C-Class EQ holds a narrow 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

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View detailed analysis

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Audi Q8 e-tron

The Audi Q8 e-tron wraps Audi’s usual premium polish into a quiet, composed electric SUV that feels refined and surprisingly effortless to drive. With a spacious, tech-forward cabin and understated road presence, it’s a practical yet stylish choice for buyers who want electric motoring without losing the dignity of a proper luxury SUV.

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Reviews Audi Q8 e-tron

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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.

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Mercedes C-Class EQ

Costs and Consumption
Price
65,100 - 102,800 £
Price
58,000 - 67,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.7 - 26.3 kWh/100km
Consumption kWh/100km
14.3 - 15.6 kWh/100km
Electric Range
456 - 595 km
Electric Range
706 - 753 km
Battery Capacity
89 - 106 kWh
Battery Capacity
-
co2
0 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
5
Doors
-
Curb weight
2,585 - 2,725 kg
Curb weight
2,460 kg
Trunk capacity
528 - 569 L
Trunk capacity
470 L
Length
4,915 mm
Length
-
Width
1,937 - 1,994 mm
Width
1,892 mm
Height
1,617 - 1,683 mm
Height
-
Max trunk capacity
1,567 - 1,637 L
Max trunk capacity
-
Payload
515 - 595 kg
Payload
505 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
All-Wheel Drive
Power HP
340 - 503 HP
Power HP
489 HP
Acceleration 0-100km/h
4.5 - 6 s
Acceleration 0-100km/h
4 s
Max Speed
200 - 210 km/h
Max Speed
-
Torque
664 - 973 Nm
Torque
800 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
250 - 370 kW
Power kW
360 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,023 - 2,024
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi Q8 e-tron?

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.