Audi A6 2023 vs Mercedes C class 2021

Select specific versions of each model (by engine capacity, power, drivetrain and gearbox) for an accurate comparison

 
Audi A6
2023 - 2025
Mercedes C class
2021 -
Gearbox: Automatic Automatic
Wheel drive type: Front wheel drive (FWD) / All wheel drive (AWD, 4x4)Rear wheel drive (RWD) / All wheel drive (AWD, 4x4)
Audi A6 is available with front wheel drive and four wheel (4x4) drive, while Mercedes C class can be equipped with rear wheel drive and four wheel (4x4) drive. All-wheel drive models tend to consume more fuel, so if you don't need off road capabilities, Audi A6 also offers 2-wheel drive versions for fuel economy. 2WD versions also have lower maintenance costs.
Engines: 2.0 - 3.0 (diesel, hybrid)1.5 - 2.0 (petrol, diesel, hybrid)
Both cars are available with diesel and hybrid engines. Mercedes C class is available also with petrol engines. Petrol engines typically offer smoother operation and quicker acceleration compared to other engine types.

Performance

Power: 163 - 340 HP200 - 408 HP
Torque: 370 - 620 NM300 - 550 NM
Acceleration 0-100 km/h: 5 - 9.4 seconds4.7 - 7.5 seconds
Select a car version for a more accurate comparison!

Fuel consumption

Fuel consumption (l/100km): 1.6 - 8.20.8 - 9.2
On average, Audi A6 equipped with diesel engines consume 0.8 litres more fuel per 100 km than the Mercedes C class.
This comparison does not take engine capacity into account, so to compare the fuel consumption of specific engines, select the car version!
Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy.

Dimensions

Length: 4.94 m4.76 m
Width: 1.89 m1.82 m
Height: 1.49 m1.47 m
Audi A6 is larger.
Audi A6 is 18 cm longer than the Mercedes C class, 6 cm wider, while the height of Audi A6 is 3 cm higher.
Trunk capacity: 565 litres490 litres
Trunk max capacity:
with rear seats folded down, if possible
1680 litres1510 litres
Audi A6 has more luggage capacity.
Audi A6 has 75 litres more trunk space than the Mercedes C class. The maximum boot capacity (with all rear seats folded down) is larger in Audi A6 (by 170 litres).
Turning diameter: 12.1 meters12 meters
The turning circle of the Audi A6 is 0.1 metres more than that of the Mercedes C class.
Gross weight: ~ 2`474 kg~ 2`423 kg
Net weight:~ 1`843 kg~ 1`761 kg
Load capacity:~ 631 kg~ 662 kg
Safety: no datano data
Quality: no datano data
Average price (€): 42 200no data
Pros and Cons: Audi A6 has
  • also available in 2WD
  • diesel and hybrid engines available
  • roomier boot
Mercedes C klase has
  • petrol, diesel and hybrid engines available
  • lower fuel consumption for diesel engines
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