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Mercedes C-Class EQ vs Audi A7 comparison

Compare performance (489 HP vs 630 HP), boot space and price (58,000 £ vs 55,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes C-Class EQ or Audi A7?

Mercedes C-Class EQ vs Audi A7: Key differences

Mercedes C-Class EQ

  • clearly more electric range
details

Audi A7

  • only slightly cheaper
  • clearly more power
  • moderately quicker 0–100 km/h
  • noticeably lighter
  • a bit more trunk space
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.

Audi A7 is only slightly cheaper – starting at 55,000 £ , while the Mercedes C-Class EQ costs 58,000 £ . That’s a price difference of around 3,010 £.

As for electric range, the Mercedes C-Class EQ offers clearly more range – reaching up to 753 km, about 685 km more than the Audi A7.

A7

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 A7 offers clearly more power – delivering 630 HP compared to 489 HP. That’s roughly 141 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A7 is moderately quicker – completing the sprint in 3.4 s, while the Mercedes C-Class EQ takes 4 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Audi A7 delivers barely more torque with 850 Nm compared to 800 Nm. That’s about 50 Nm more.

C-Class EQ

Space and Everyday Use:

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

Seats: Mercedes C-Class EQ offers more seats – 5 vs 4.

In terms of curb weight, Audi A7 is noticeably lighter – 1,770 kg compared to 2,460 kg. The difference is around 690 kg.

Looking at boot space, the Audi A7 offers a bit more boot space – 535 L compared to 470 L. That’s a difference of about 65 L.

When it comes to payload, the Audi A7 carries moderately more – 600 kg compared to 505 kg. That’s a difference of about 95 kg.

Who wins the race in the data check?

The Mercedes C-Class EQ stands well ahead of its rival 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

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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

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Audi A7

The Audi A7 wraps elegant fastback lines around a sumptuous, tech-packed cabin that turns everyday drives into something a bit more special. It strikes a polished balance between relaxed comfort and engaging poise, so you’ll enjoy long cruises and spirited backroad runs while arriving in unmistakable style.

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Reviews Audi A7

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Mercedes C-Class EQ
Audi A7

Costs and Consumption
Price
58,000 - 67,600 £
Price
55,000 - 117,900 £
Consumption L/100km
-
Consumption L/100km
1.2 - 12.2 L/100km
Consumption kWh/100km
14.3 - 15.6 kWh/100km
Consumption kWh/100km
-
Electric Range
706 - 753 km
Electric Range
67 - 68 km
Battery Capacity
-
Battery Capacity
14.4 kWh
co2
0 g/km
co2
28 - 276 g/km
Fuel tank capacity
-
Fuel tank capacity
52 - 73 L

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
4
Doors
-
Doors
5
Curb weight
2,460 kg
Curb weight
1,770 - 2,150 kg
Trunk capacity
470 L
Trunk capacity
380 - 535 L
Length
-
Length
4,969 - 5,009 mm
Width
1,892 mm
Width
1,908 - 1,950 mm
Height
-
Height
1,422 - 1,424 mm
Max trunk capacity
-
Max trunk capacity
1,235 - 1,390 L
Payload
505 kg
Payload
510 - 600 kg

Engine and Performance
Engine Type
Electric
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
489 HP
Power HP
204 - 630 HP
Acceleration 0-100km/h
4 s
Acceleration 0-100km/h
3.4 - 8.1 s
Max Speed
-
Max Speed
245 - 280 km/h
Torque
800 Nm
Torque
370 - 850 Nm
Number of Cylinders
-
Number of Cylinders
4 - 8
Power kW
360 kW
Power kW
150 - 463 kW
Engine capacity
-
Engine capacity
1,968 - 3,996 cm3

General
Model Year
2026
Model Year
2,023 - 2,024
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, B, G
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.