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Audi A7 vs Mercedes C Class Sedan comparison

Compare performance (630 HP vs 680 HP), boot space and price (55,000 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Audi A7 or Mercedes C Class Sedan?

Audi A7 vs Mercedes C Class Sedan: Key differences

Audi A7

  • markedly more efficient
  • somewhat more trunk space

Mercedes C Class Sedan

  • noticeably cheaper
  • only slightly more power
  • substantially more electric range
  • very slightly lighter

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

A7

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 Sedan is noticeably cheaper – starting at 41,300 £ , while the Audi A7 costs 55,000 £ . That’s a price difference of around 13,703 £.

Fuel consumption also shows a difference: the Audi A7 uses 1.2 L/100km and is markedly more efficient than the Mercedes C Class Sedan with 1.6 L/100km. The difference is about 0.4 L/100km.

As for electric range, the Mercedes C Class Sedan offers substantially more range – reaching up to 117 km, about 49 km more than the Audi A7.

C Class Sedan

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 Mercedes C Class Sedan offers only slightly more power – delivering 680 HP compared to 630 HP. That’s roughly 50 HP more horsepower.

Both models accelerate almost equally fast – 3.4 s from 0 to 100 km/h.

Looking at top speed, the Audi A7 is a bit faster – reaching 280 km/h, while the Mercedes C Class Sedan tops out at 250 km/h. The difference is around 30 km/h.

There’s also a difference in torque: the Mercedes C Class Sedan delivers moderately more torque with 1,020 Nm compared to 850 Nm. That’s about 170 Nm more.

A7

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 Sedan offers more seats – 5 vs 4.

In terms of curb weight, Mercedes C Class Sedan is very slightly lighter – 1,695 kg compared to 1,770 kg. The difference is around 75 kg.

Looking at boot space, the Audi A7 offers somewhat more boot space – 535 L compared to 455 L. That’s a difference of about 80 L.

When it comes to payload, the Audi A7 carries marginally more – 600 kg compared to 570 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The Audi A7 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 £55,000
A7

Audi A7

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 204 - 630 HP
  • Consumption L/100km : 1.2 - 12.2 L/100km
  • Electric Range : 67 - 68 km
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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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Mercedes C Class Sedan

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Audi A7
Mercedes C Class Sedan

Costs and Consumption
Price
55,000 - 117,900 £
Price
41,300 - 103,400 £
Consumption L/100km
1.2 - 12.2 L/100km
Consumption L/100km
1.6 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 - 68 km
Electric Range
11 - 117 km
Battery Capacity
14.4 kWh
Battery Capacity
19.5 kWh
co2
28 - 276 g/km
co2
41 - 205 g/km
Fuel tank capacity
52 - 73 L
Fuel tank capacity
50 L

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
4
Seats
5
Doors
5
Doors
4
Curb weight
1,770 - 2,150 kg
Curb weight
1,695 - 2,195 kg
Trunk capacity
380 - 535 L
Trunk capacity
315 - 455 L
Length
4,969 - 5,009 mm
Length
4,751 mm
Width
1,908 - 1,950 mm
Width
1,820 - 1,900 mm
Height
1,422 - 1,424 mm
Height
1,438 mm
Max trunk capacity
1,235 - 1,390 L
Max trunk capacity
-
Payload
510 - 600 kg
Payload
480 - 570 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 630 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
3.4 - 8.1 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
245 - 280 km/h
Max Speed
235 - 250 km/h
Torque
370 - 850 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
150 - 463 kW
Power kW
135 - 500 kW
Engine capacity
1,968 - 3,996 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2,023 - 2,024
Model Year
2,024 - 2,025
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
E, B, D, G
Brand
Audi
Brand
Mercedes-Benz
Is the Audi A7 offered with different drivetrains?

Available configurations include All-Wheel Drive or Front-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.